1. Department of Lighting Technology, Technische Universität Berlin, Berlin, Germany
2. Centre for Chronobiology, Psychiatric Hospital of the University of Basel, Basel, Switzerland
3. Fraunhofer Institute for Solar Energy Systems, Freiburg, Germany
4. Department of Architecture and Technology, Norwegian University of Science and Technology, Trondheim, Norway
5. Independent Researcher, Cwmbran, Torfaen, United Kingdom
6. Psychiatric Centre Copenhagen, University Hospital of Copenhagen, Copenhagen, Denmark
7. Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
8. FOM University of Applied Sciences, Essen, Germany
9. Department of the Built Environment, University of Technology Eindhoven, Eindhoven, The Netherlands
10. Department of the Built Environment, University of Biskra, Biskra, Algeria
11. Langsames Licht/Slow Light, Vienna, Austria
12. Dublin Energy Laboratory, Technological University Dublin, Dublin, Ireland