Funding for this research was provided by:
Koning Boudewijnstichting (2014J2140150102905)
Eli Lilly and Company (IITH6UBXI002)
Fonds De La Recherche Scientifique - FNRS (11N0514N/11N0516N, 1114717N/1114719N)
Fonds GaVoorGeluk/ Diepensteyn Foundation (2018-LUF-0070)
Received: 3 February 2020
Accepted: 21 December 2020
First Online: 16 March 2021
Compliance with ethical standards
: In the past 3 years, Dr. Kessler received support for his epidemiological studies from Sanofi Aventis, he was a consultant for Johnson & Johnson Wellness and Prevention, Shire and Takeda, and served on an advisory board for the Johnson & Johnson Services Inc. Lake Nona Life Project. Dr. Kessler is a co-owner of DataStat, Inc., a market research firm that carries out healthcare research. Dr. Demyttenaere has served on advisory boards for Boehringer Ingelheim Eli Lilly, Lundbeck, Johnson&Johnson, Livanova, Servier, and has research grants from Eli Lilly, foundation ‘ga voor geluk’, Fonds voor Wetenschappelijk Onderzoek Vlaanderen. Dr. Ebert reports to have received consultancy fees/served in the scientific advisory board from several companies, such as Sanofi, Novartis, Minddistrict, Lantern, Schoen Kliniken, and German health insurance companies (BARMER, Techniker Krankenkasse). He is also a stakeholder of the Institute for health training online (GET.ON), which aims to implement scientific findings related to digital health interventions into routine care. The other authors have no interests to declare.
: The study’s protocol was approved by the University Hospital Leuven Biomedical Ethical Board and complies with the ethical standards of the Helsinki Declaration of 1975, as revised in 2008.
: The Belgium survey was supported by the Belgian Fund for Scientific Research (11N0514N/11N0516N/1114717 N/1114719 N), the King Baudouin Foundation (2014‐J2140150‐102905), Eli Lilly (IIT‐H6U‐BX‐I002), and Fonds GaVoorGeluk/ Diepensteyn Foundation (2018-LUF-0070).
: Informed consent was obtained from all students.