Kujanpää, Miika http://orcid.org/0000-0002-9881-4787
Syrek, Christine
Lehr, Dirk
Kinnunen, Ulla
Reins, Jo Annika
de Bloom, Jessica
Funding for this research was provided by:
Academy of Finland (434485)
Barmer
Article History
First Online: 26 March 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the ethics committee of the Leuphana University in Lüneburg, Germany (Reference No. 201606, EB-Antrag Lehr201606_holidaily). The trial is also registered at the German Clinical Trial Register (DRKS00013650).
: Participants provided their informed consent.