Funding for this research was provided by:
Received: 25 November 2020
Accepted: 15 August 2021
First Online: 23 August 2021
: The study was approved by the medical ethics committees in both centers (CMO Region Arnhem-Nijmegen 2012/297 and METC Utrecht 12/471) and the need for informed consent was waived.
: Not applicable.
: The authors declare no conflicts of interest.