Funding for this research was provided by:
Dutch Social Security Agency
Received: 5 April 2020
Accepted: 24 March 2021
First Online: 9 April 2021
: This study was approved by the Medical Ethics Committee of the Amsterdam University Medical Centers (Amsterdam UMC), location Academic Medical Center (AMC), University of Amsterdam (reference number W13_050 # 13.17.0066). Written informed consent for completing questionnaires during the study was obtained after the participants had received a detailed introduction to the study.
: Not applicable.
: The authors declare that they have no competing interests.