Received: 26 March 2021
Accepted: 29 June 2021
First Online: 24 July 2021
: Ethical approval was obtained from the Ethics Review Committee Health, Medicine and Life Sciences (FHML-REC) of the Maastricht University (UM) prior to the start of the study. The approval number is: HML-REC/2020/026/FHML/HPIM/2020.013. The study was performed in accordance with this approval and with the Declaration of Helsinki. All participants gave written informed consent for study participation.
: Written informed consent for publication was obtained from all participants.
: The authors declare that they have no competing interests.