Blume, Christine http://orcid.org/0000-0003-2328-9612
Cajochen, Christian http://orcid.org/0000-0003-2699-7171
Schöllhorn, Isabel http://orcid.org/0000-0001-9067-1614
Slawik, Helen C.
Spitschan, Manuel http://orcid.org/0000-0002-8572-9268
Funding for this research was provided by:
Universität Basel
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (201742, 199146, 199146)
Linacre College, University of Oxford
Wellcome Trust (204686/Z/16/Z)
Article History
Received: 4 March 2020
Accepted: 16 November 2023
First Online: 22 December 2023
Competing interests
: Related to lighting, M.S. is currently an unpaid member of CIE Technical Committee TC 1–98 (‘A Roadmap Toward Basing CIE Colorimetry on Cone Fundamentals’). M.S. was an unpaid advisor to the Division Reportership DR 6–45 of Division 3 (‘Publication and maintenance of the CIE S026 Toolbox’) and a member of the CIE Joint Technical Committee 9 on the definition of CIE S 026:2018. Since 2020, M.S. is an elected Member of the Daylight Academy and an unpaid member of the Board of Advisors of the Center for Environmental Therapeutics. C.C. has had the following commercial interests related to lighting: honoraria, travel, accommodation and/or meals for invited keynote lectures, conference presentations or teaching from Toshiba Materials, Velux, Firalux, Lighting Europe, Electrosuisse, Novartis, Roche, Elite, Servier and WIR Bank. C.C. is an elected member of the Daylight Academy. C.B. has had the following commercial interests related to sleep and/or light: honoraria for invited talks and workshops from IKEA, F.A. Hoffmann-La Roche AG, L’Oréal and Vattenfall. C.B. is an elected member of the Daylight Academy. The remaining authors declare no competing interests.