de Waal, Noor http://orcid.org/0000-0002-2287-8426
Boekhorst, Myrthe G. B. M.
Nyklíček, Ivan
Pop, Victor J. M.
Funding for this research was provided by:
Stichting De Weijerhorst
Article History
Accepted: 12 June 2023
First Online: 26 June 2023
Declarations
:
: This study was performed in line with the principles of the Declaration of Helsinki. Approval of the HAPPY study was granted by the Ethical Board of Tilburg University, and has been evaluated by the Medical Ethical Committee of the Máxima Medical Centre Veldhoven. The HAPPY follow study was approved by the Medical Ethics Committee of the Máxima Medical Centre (protocol number NL54558.015.15).
: All participants gave written informed consent.
: The authors declare no competing interests.