Publications

2022

Journal Articles

Towards ‘Fourth Paradigm’ Spectral Sensing

F. S. Webler; M. Spitschan; M. Andersen 

Sensors. 2022-03-19. Vol. 22, num. 6, p. 1-16, 2377. DOI : 10.3390/s22062377.

Regional Differences in the Perception of Daylit Scenes across Europe Using Virtual Reality. Part II: Effects of Facade and Daylight Pattern Geometry

K. Chamilothori; J. Wienold; C. Moscoso; B. Matusiak; M. Andersen 

Leukos. 2022-02-10.  p. 1999257. DOI : 10.1080/15502724.2021.1999257.

Efficient Simulation for Visual Comfort Evaluations

S. Wasilewski; L. O. Grobe; J. Wienold; M. Andersen 

Energy and Buildings. 2022. Vol. 267, p. 112141. DOI : 10.1016/j.enbuild.2022.112141.

Reviews

Measurement in the Age of Information

F. S. Webler; M. Andersen 

Information. 2022-02-23. Vol. 13, num. 3, p. 111. DOI : 10.3390/info13030111.

Theses

Theory and application of a data-driven approach to compressive spectrometry in the assessment of neurophotic stimulation

F. S. Webler / M. Andersen (Dir.)  

Lausanne, EPFL, 2022. 

2021

Journal Articles

Comparing performance of discomfort glare metrics in high and low adaptation levels

G. Quek; J. Wienold; M. Sarey Khanie; E. Erell; E. Kaftan et al. 

Building and Environment. 2021-12-01. Vol. 206, p. 108335. DOI : 10.1016/j.buildenv.2021.108335.

Behind electrochromic glazing: Assessing user’s perception of glare from the sun in a controlled environment

S. Jain; C. Karmann; J. Wienold 

Energy and Buildings. 2021-11-29. Vol. 256. DOI : 10.1016/j.enbuild.2021.111738.

The influence of façade and space design on building occupants’ indoor experience

L. Pastore; M. Andersen 

Journal of Building Engineering. 2021-11-19. Vol. 46, p. 103663. DOI : 10.1016/j.jobe.2021.103663.

Comparing temperature and acoustic satisfaction in 60 radiant and all-air buildings (vol 126, pg 431, 2017)

C. Karmann; S. Schiavon; L. T. Graham; P. Raftery; F. Bauman 

Building And Environment. 2021-11-01. Vol. 205, p. 108250. DOI : 10.1016/j.buildenv.2021.108250.

Field evaluation of thermal and acoustical comfort in eight North-American buildings using embedded radiant systems

M. Dawe; C. Karmann; S. Schiavon; F. Bauman 

PLoS ONE. 2021-10-26. Vol. 16, num. 10, p. 1-17. DOI : 10.1371/journal.pone.0258888.

Evaluating the suitability of regression-based emulators of building performance in practice: a test suite

P. Rastogi; M. E. Khan; M. Andersen 

Journal Of Building Performance Simulation. 2021-09-14. DOI : 10.1080/19401493.2021.1969430.

Is there a difference in how people from different socio-environmental contexts perceive discomfort due to glare from daylight?

C. Pierson; B. Piderit; T. Iwata; M. Bodart; J. Wienold 

Lighting Research & Technology. 2021-01-10.  p. 1477153520983530. DOI : 10.1177/1477153520983530.

Modeling specular transmission of complex fenestration systems with data-driven BSDFs

G. J. Ward; T. Wang; D. Geisler-Moroder; E. S. Lee; L. O. Grobe et al. 

Building and Environment. 2021. Vol. 196, p. 107774. DOI : 10.1016/j.buildenv.2021.107774.

Effect of Indoor Temperature and Glazing with Saturated Color on Visual Perception of Daylight

G. Chinazzo; J. Wienold; M. Andersen 

Leukos. 2021. Vol. 17, num. 2, p. 183-204. DOI : 10.1080/15502724.2020.1726182.

Window Size Effects on Subjective Impressions of Daylit Spaces: Indoor Studies at High Latitudes Using Virtual Reality

C. Moscoso; K. Chamilothori; J. Wienold; M. Andersen; B. Matusiak 

LEUKOS: The Journal of the Illuminating Engineering Society. 2021. Vol. 17, num. 3, p. 242-264. DOI : 10.1080/15502724.2020.1726183.

Temperature–Color Interaction: Subjective Indoor Environmental Perception and Physiological Responses in Virtual Reality

G. Chinazzo; K. Chamilothori; J. Wienold; M. Andersen 

Human Factors: The Journal of the Human Factors and Ergonomics Society. 2021. Vol. 63, num. 3, p. 474-502. DOI : 10.1177/0018720819892383.

Calibration and Validation of Climate-Based Daylighting Models Based on One-Time Field Measurements: Office Buildings in the Tropics

G. Quek; J. A. Jakubiec 

Leukos. 2021. Vol. 17, num. 1, p. 75-90. DOI : 10.1080/15502724.2019.1570852.

Physical Objects

Conference Papers

Spectral Measurement and Classification in the Era of Big Data

F. S. Webler; M. Andersen 

2021-11-22. CIE 2021, Malaysia online, September 27-29, 2021. DOI : 10.25039/x48.2021.OP15.

Towards a Framework for Light-Dosimetry Studies: Methodological Considerations

S. Hartmeyer; F. S. Webler; M. Andersen 

2021-09-29. CIE Midterm Meeting Conference 2021, Kuala Lumpur, Malaysia, September 27-29, 2021.

On Sensitivity to Glare and Its Relationship with Macular Pigment

S. Jain; J. Wienold; M. Andersen 

2021-09-29. CIE Midterm Meeting Conference 2021 , Kuala Lumpur, Malaysia, September 27-29, 2021.

User Evaluations of Contrast-Dominant Discomfort Glare Dim Daylit Scenarios: Preliminary Findings

G. Quek Cai Ting; J. Wienold; M. Andersen 

2021-09-28. CIE Midterm Meeting, Kuala Lumpur, Malaysia, September 27-29, 2021.

Validation of Spectral Simulation Tools for the Prediction of Indoor Electric Light Exposure

C. Pierson; M. Gkaintatzi-Masouti; M. Aarts; M. Andersen 

2021-09-27. CIE Midterm Meeting Conference 2021, Online, September 27–29, 2021. DOI : 10.25039/x48.2021.OP05.

Virtual reality to assess visual attraction and perceived interest to daylit scene variations

C. Karmann; K. Chamilothori; S. Schoenmakers; B. Aydemir; M. Andersen 

2021-09-16. Academy Neuroscience for Architecture ANFA Symposium 2021, San Diego, California, USA, September 16-18, 2021.

Glare assessment in a daylit workplace from a physiological perspective

S. Jain; J. Wienold; M. Andersen 

2021-09-16. Academy Neuroscience for Architecture ANFA Symposium 2021, San Diego, California, USA, September 16-18, 2021.

The Impact of Light Distribution and Furniture Layout on Meeting Light Exposure Objectives in an Office – A Simulation Case Study

M. N. Danell; S. Hartmeyer; L. Peterson; R. Davis; M. Andersen et al. 

2021-09-01. 17th International IBPSA Building Simulation 2021 Conference, Bruges, Belgium, September 1-3, 2021.

Validation of Spectral Simulation Tools for the Prediction of Indoor Daylight Exposure

C. Pierson; M. Aarts; M. Andersen 

2021-09-01. Building Simulation 2021 Conference (BS 2021), Bruges, Belgium, September 1-3, 2021.

Life cycle efficiency of solar shading systems: a proof-of-concept

N. Rezaei Oghazi; T. Jusselme; E. Barri; S. Aguacil Moreno; M. Andersen 

2021-09-01. 17th International IBPSA Building Simulation Conference (BS2021), Bruges, Belgium, September 1-3, 2021.

Spatial evaluation of potential saturation and contrast effects of discomfort glare in an open-plan office

G. Quek Cai Ting; S. Wasilewski; J. Wienold; M. Andersen 

2021-09-01. Building Simulation 2021, Bruges, Belgium, September 1-3, 2021.

Exploring light exposure of hospital nurses working rapidly rotating shifts in relation to sleepiness and sleep

M. P. Aarts; S. L. Hartmeyer; K. Morsink; H. S. Kort 

2021. CISBAT 2021 Carbon-neutral cities – energy efficiency and renewables in the digital era, Lausanne, Switzerland, September 8-10, 2021. p. 012111. DOI : 10.1088/1742-6596/2042/1/012111.

A conceptual simulation workflow to guide design decisions regarding the effects of daylight on occupants’ alertness

C. Pierson; V. E. Soto Magan; M. Aarts; M. Andersen 

2021-01-01. International Hybrid Conference on Carbon Neutral Cities – Energy Efficiency and Renewables in the Digital Era (CISBAT), Lausanne, SWITZERLAND, Sep 08-10, 2021. p. 012116. DOI : 10.1088/1742-6596/2042/1/012116.

Exploring light exposure of hospital nurses working rapidly rotating shifts in relation to sleepiness and sleep

M. P. J. Aarts; S. L. Hartmeyer; K. Morsink; H. S. M. Kort 

2021-01-01. International Hybrid Conference on Carbon Neutral Cities – Energy Efficiency and Renewables in the Digital Era (CISBAT), Lausanne, SWITZERLAND, Sep 08-10, 2021. p. 012111. DOI : 10.1088/1742-6596/2042/1/012111.

Global Environmental Stimuli and Human-Building Interaction in Open Space Offices: A Swiss Case Study

V. M. Barthelmes; C. Karmann; V. G. Serrano; A. Chatterjee; M. Andersen et al. 

2021-01-01. ASHRAE Virtual Winter Conference, ELECTR NETWORK, Feb 09-11, 2021. p. 434-442.

Environmental preferences of occupants: A multi-domain approach in the Swiss open office case study

V. M. Barthelmes; C. Karmann; S. V. Gonzalez; A. Chatterjee; J. Wienold et al. 

2021-01-01. International Hybrid Conference on Carbon Neutral Cities – Energy Efficiency and Renewables in the Digital Era (CISBAT), Lausanne, SWITZERLAND, Sep 08-10, 2021. p. 012131. DOI : 10.1088/1742-6596/2042/1/012131.

Subjective assessment of visual comfort in a daylit workplace with an electrochromic glazed facade

S. Jain; C. Karmann; J. Wienold 

2021-01-01. International Hybrid Conference on Carbon Neutral Cities – Energy Efficiency and Renewables in the Digital Era (CISBAT), Lausanne, SWITZERLAND, Sep 08-10, 2021. p. 012179. DOI : 10.1088/1742-6596/2042/1/012179.

Raytraverse: Navigating the Lightfield to Enhance Climate-Based Daylight Modeling

S. Wasilewski; L. O. Grobe; R. Schregle; J. Wienold; M. Andersen 

2021. Symposium on Simulation for Architecture and Urban Design (simAUD), 2021.

Towards a wearable sensor for spectrally-resolved personal light monitoring

F. S. Webler; G. Chinazzo; M. Andersen 

2021. International Hybrid Conference on Carbon Neutral Cities – Energy Efficiency and Renewables in the Digital Era (CISBAT), Lausanne, Switzerland, September 8-10, 2021. DOI : 10.1088/1742-6596/2042/1/012120.

Reviews

Human thermal perception and time of day: A review

M. Vellei; G. Chinazzo; K-M. Zitting; J. Hubbard 

Temperature. 2021-10-10. Vol. 8, num. 4, p. 320-341. DOI : 10.1080/23328940.2021.1976004.

Theses

Alertness in work environments

V. E. Soto Magán / M. Andersen (Dir.)  

Lausanne, EPFL, 2021. 

Book Chapters

Planning sleep-related animal and translational research

J. Hubbard; G. Mang M.; P. Franken 

Reference Module in Neuroscience and Biobehavioral Psychology; Elsevier, 2021-11-01.

Human circadian rhythms and urban density: celebrating the natural day-night cycle

M. Andersen; M. N. Danell; A. Proux; F. Isvoranu; M. Pauly et al. 

SBAU 2021 DATA Book; Seoul, South Korea: Seoul Metropolitan Government, 2021. p. 56-63.

Planning for a Changing Climate without Accurate Predictions

P. Rastogi; M. E. Khan 

Climate Adaptation and Resilience Across Scales; Taylor & Francis Group, 2021. p. 15.

Talks

Does glazing color influence our perception of discomfort glare from daylight?

S. Jain 

Build for Life, VELUX Daylight Symposium, Copenhagen, Denmark, 2021-11-16.

Glare behind blue (electrochromic) glazing

S. Jain; J. Wienold 

19th Annual International Radiance Workshop, Bilbao, Spain, August 19-20, 2021.

Daylighting for Human Occupants, Bridging Research and Practice

M. Andersen 

Light Symposium 2020/21 (LSW 2020/21), Wismar, Germany (online), March 10-12, 2021.

Daylightful dynamics in Living Places

M. Andersen 

Build for Life conference 2021 Compass stage, Copenhagen, Denmark, November 15-17, 2021.

How sampling impacts the speed, accuracy, and interpretability of rendering with Radiance

S. Wasilewski 

19th Annual International Radiance Workshop, Bilbao, Spain, August 19-20, 2021.

Daylight Simulation Beyond a Grid of Points: Sampling Toward Representativeness

S. Wasilewski 

Velux Build For Life Conference, Copenhagen / Online, November 15-17, 2021.

Student Projects

Le parc des gazomètres Reconversion de friche industrielle en catalyseur social au cœur de Londres

A. Soubeyran 

2021.

Un refuge longue durée-Les saisonniers comme nouvelle société nomade

L. Guers 

2021.

Court-Circuit: Quartier mixte, autonome et émergent dans le Pays de Gex (Grand Genève)

R. Claus 

2021.

De l’auto-train au jardin partagé. Reconversion de la Gare de Bercy

C. A. Ansselin 

2021.

2020

Journal Articles

Regional Differences in the Perception of Daylit Scenes across Europe Using Virtual Reality. Part I: Effects of Window Size

C. Moscoso; K. Chamilothori; J. Wienold; M. Andersen; B. Matusiak 

LEUKOS. 2020-11-19.  p. 1-22. DOI : 10.1080/15502724.2020.1854779.

Correspondence: Discussion of ‘The cross validation and robustness of daylight glare metrics’

S. Fotios; J. Wienold 

Lighting Research & Technology. 2020-04-01. Vol. 52, num. 2, p. 314-317. DOI : 10.1177/1477153520906914.

Tutorial: Luminance Maps for Daylighting Studies from High Dynamic Range Photography

C. Pierson; C. Cauwerts; M. Bodart; J. Wienold 

LEUKOS. 2020-01-03.  p. 1-30. DOI : 10.1080/15502724.2019.1684319.

Long-term visual quality evaluations correlate with climate-based daylighting metrics in tropical offices – A field study

J. A. Jakubiec; G. Quek 

Lighting Research and Technology. 2020. Vol. 53, num. 1, p. 5-29. DOI : 10.1177/1477153520926528.

Surveying the environmental life-cycle performance assessments: Practice and context at early building design stages

T. Jusselme; E. Rey; M. Andersen 

Sustainable Cities and Society. 2020-01-01. Vol. 52, p. 101879. DOI : 10.1016/j.scs.2019.101879.

Conference Papers

Investigation of perceived air quality, occupants’ behaviour and air pollutant levels in two open-space office buildings in Switzerland

M. V. Gonzalez Serrano; V. M. Barthelmes; C. Karmann; D. Khovalyg; D. Licina 

2020-11-05. The 16th Conference of the International Society of Indoor Air Quality & Climate (INDOOR AIR 2020), [Virtual event], November 1-5, 2020.

Triggers behind human-building interactions from a user perspective: results and effectiveness of capturing motivations in real-time

V. M. Barthelmes; C. Karmann; J. Wienold; M. Andersen; D. Licina et al. 

2020-10-21. BEHAVE 2020 6th European Conference on Behaviour and Energy Efficiency, Copenhagen, Denmark, October 21-23, 2020.

Light hygiene in the built environment

M. Andersen; V. E. Soto Magan; F. S. Webler; C. Pierson 

2020-09-14. Academy of Neuroscience for Architecture 2020, Online, September 14-25, 2020.

A multi-domain data collection strategy for capturing relationships between occupant behaviour, comfort, indoor environment, and energy use in office

V. M. Barthelmes; C. Karmann; D. Licina; M. Andersen; D. Khovalyg 

2020-04-16. 11th Windsor Conference 2020 – Resilient Comfort in a Heating World, Windsor, United Kingdom, April 16-19, 2020. p. 309-322.

Theses

Impact of facade details on the reliability of performance-based decisions for early-stage neighborhood designs

M. Agarwal / M. Andersen; L. Pastore (Dir.)  

Lausanne, EPFL, 2020. 

Data-driven method for low-carbon building design at early stages

T. B. P. Jusselme / M. Andersen; E. Rey (Dir.)  

Lausanne, EPFL, 2020. 

Posters

Applicability of Spectral Simulation to Predict Non-Visual Response to Daylight

C. Pierson; M. Aarts; M. Andersen 

EuroTech Workshop, Copenhagen, Denmark, March 9-11, 2020.

Talks

Radiant indoors – daylight for building occupants

M. Andersen 

IGM Colloquium lecture series ‘EPFL & friends, EPFL, Lausanne, Switzerland, Novembre 3, 2020.

Outside dynamics for daylightful indoors

M. Andersen 

Nordic symposium for architectural research 2020 and 12th Annual Symposium of Architectural Research 2020, Oulu, Finland, October 22-23, 2020.

Student Projects

Design of a light-shaping adaptive facade using fiber-reinforced polymer materials

J. Baehr-Bruyère 

2020-01-23.

Protégé du rayonnement électromagnétique. Un immeuble neuf, sain, en milieu urbain

L. Fleischner 

2020.

“AGRI – Laus”. Une ferme urbaine dans le quartier du flon

V. Jashari 

2020.

Teaching Resources

Daylightful Mixity

M. Andersen; I. Andersen 

2020-07-01.

Media

Madame Lumière

M. Andersen; A. Herzog 

2020-08-18.

Daylight for our well-being

M. Andersen 

2020-04-08.

La lumière du jour, source de bien-être

M. Andersen 

2020-04-08.

2019

Journal Articles

Strategic environmental urban planning – A contextual approach for defining performance goals and informing decision-making

É. Nault; T. Jusselme; S. Aguacil Moreno; M. Andersen 

Building and Environment. 2019-10-22. Vol. 168, p. 106448. DOI : 10.1016/j.buildenv.2019.106448.

Daylight affects human thermal perception

G. Chinazzo; J. Wienold; M. Andersen 

Scientific Reports. 2019-09-23. Vol. 9(2019), p. 13690. DOI : 10.1038/s41598-019-48963-y.

Influence of indoor temperature and daylight illuminance on visual perception

G. Chinazzo; J. Wienold; M. Andersen 

Lighting Research & Technology. 2019-07-02. Vol. 52, num. 3, p. 350-370. DOI : 10.1177/1477153519859609.

Variation in thermal, visual and overall comfort evaluation under coloured glazing at different temperature levels

G. Chinazzo; J. Wienold; M. Andersen 

Journal of the International Colour Association. 2019-03-15. Vol. 23, num. 2227-1309, p. 45-54.

Cross-validation and robustness of daylight glare metrics

J. Wienold; T. Iwata; M. Sarey Khanie; E. Erell; E. Kaftan et al. 

Lighting Research and Technology. 2019-03-14. Vol. 51, num. 7, p. 983-1013. DOI : 10.1177/1477153519826003.

Detecting trends and further development potential of contemporary façade design for workspaces

L. Pastore; M. Andersen 

Architectural Engineering and Design Management. 2019-01-08. Vol. 15, num. 4, p. 267-281. DOI : 10.1080/17452007.2018.1561414.

Building energy certification versus user satisfaction with the indoor environment: Findings from a multi-site post-occupancy evaluation (POE) in Switzerland

L. Pastore; M. Andersen 

Building and Environment. 2019-01-07. Vol. 150, p. 60-74. DOI : 10.1016/j.buildenv.2019.01.001.

Conference Papers

Life-Cycle Assessment as a decision-support tool for early phases of urban planning: evaluating applicability through a comparative approach

K. Slavkovic; É. Nault; T. Jusselme; M. Andersen 

2019-09-11. Sustainable Built Environment Conference , Graz, Austria, September 11-14, 2019. DOI : 10.1088/1755-1315/323/1/012030.

Reliability of daylight and energy demand evaluations for decision making at the conceptual design stage of neighborhood design

M. Agarwal; G. Danseux; L. Pastore; M. Andersen 

2019-09-02. 16th International Conference of the International Building Performance Simulation Association IBPSA, Rome, Italy, September 2-4, 2019.

Decoding the ‘Spectral Diet’

F. Webler; M. Spitschan; M. Andersen 

2019-08-01.  p. 171-171.

Cognitive performance evaluation under controlled daylight levels at different indoor temperatures

G. Chinazzo; J. Wienold; M. Andersen 

2019-06-25. 29th Quadrennial Session of the CIE, Washington DC, USA, June 14 – 22, 2019. DOI : 10.25039/x46.2019.PO004.

Subjective and Measured Evidence for Residential Lighting Metrics in the Tropics

J. A. Jakubiec; T. Srisamranrungruang; Z. Kong; G. Quek; R. Talami 

2019. 16th Conference of the International-Building-Performance-Simulation-Association (IBPSA), Rome, ITALY, September 2-4, 2019. p. 1151-1159. DOI : 10.26868/25222708.2019.210898.

Reliability of Daylight and Energy Demand Evaluations for Decision Making at the Conceptual Stage of Neighbourhood Design

M. Agarwal; G. Danseux; L. Pastore; M. Andersen 

2019. 16th Conference of the International-Building-Performance-Simulation-Association (IBPSA), Rome, ITALY, September 2-4, 2019. p. 121-128. DOI : 10.26868/25222708.2019.210414.

Building Climate-based Daylighting Models Based On One-time Field Measurements

G. Quek; J. A. Jakubiec 

2019. 16th IBPSA Conference Building Simulation (BS 2019), Rome, Italy, September 2-4, 2019. p. 966-973. DOI : 10.26868/25222708.2019.210105.

Time-based dynamics of non-visual effects of light in humans: The importance of exposure duration

S. W. Lockley; M. L. Ámundadóttir; S. A. Rahman; M. A. St Hilaire; G. C. Brainard et al. 

2019. XVI European Biological Rhythm Society Congress, Lyon, France, August 25-29, 2019.

The Case for Occupant-Centric Daylight Analytics: a Comparison of Horizontal Illumination and Immersive View

S. F. Rockcastle; M. L. Ámundadóttir; M. Andersen 

2019. 16th International Conference of the International Building Performance Simulation Association IBPSA, Rome, Italy, September 2-4, 2019. p. 1239-1246. DOI : 10.26868/25222708.2019.211290.

Reviews

What is the ‘spectral diet’ of humans?

F. S. Webler; M. Spitschan; R. G. Foster; M. Andersen; S. N. Peirson 

Current Opinion In Behavioral Sciences. 2019-12-01. Vol. 30, p. 80-86. DOI : 10.1016/j.cobeha.2019.06.006.

A Critical Literature Review of Spatio-temporal Simulation Methods for Daylight Glare Assessment

S. Wasilewski; L. O. Grobe; J. Wienold; M. Andersen 

SDAR Journal of Sustainable Design & Applied Research. 2019-11-28. Vol. 7, num. 4, p. 1-13. DOI : 10.21427/87r7-kn41.

Talks

What Attracts Our Visual Attention? A Study on Saliency Mapping for Architectural Daylit Scenes Based on Virtual Reality Data

C. Karmann; M. Andersen 

VELUX Daylight Symposium, Paris, France, Octobre 9, 2019.

What attracts our visual attention? A study on saliency mapping for architectural daylit scenes based on virtual reality data

C. Karmann 

VELUX Daylight Symposium, Paris, France, Octobre 9, 2019.

Daylight standard EN17037 “Daylight in buildings”

J. Wienold 

Tageslicht – Gebäudesoftskills, Vienna, Austria,

ASHRAE 209: Process, a key ingredient to high performance design

M. Agarwal; L. Pastore; M. Andersen 

16th International Conference of the “International Building Performance Simulation Association” (IBPSA) Building Simulation, Rome, Italy, 2-4 September, 2019.

A Variable Resolution Approach for Zonal Glare Assessment

S. Wasilewski 

18th International Radiance Workshop, New York City, USA, August 21-23, 2019.

Daylight standard EN17037 “Daylight in buildings”

J. Wienold 

Tageslicht-Symposium 2019, Lucerne, Switzerland, 2019-06-19.

Media

Tageslight fürs Wohlbefinden (Daylight for our well-being)

M. Andersen 

2019-12-12.

La quantité de lumière influence la perception de la température

G. Chinazzo; S. Deletroz 

2019-09-24.

Innover dès aujourd’hui pour 2050. La chronique immobilière de l’EPFL

M. Andersen 

2019-09-11.