Funding for this research was provided by:
NWO Veni (451-17-032)
Received: 17 April 2020
Accepted: 29 July 2020
First Online: 3 August 2020
Ethics approval and consent to participate
: The study complies with the Declaration of Helsinki and was approved by the Institutional Review Board of the Vrije Universiteit Medical Center Amsterdam (OHRP: IRB00002911). Informed consent was obtained from all the participants before they started the study.
: Not applicable.
: The authors have declared that no competing interests exist.