Received: 14 March 2021
Accepted: 28 May 2021
First Online: 19 August 2021
: Need for approval was waved by the Medical Ethics Committee of the University Medical Center of Groningen (METc RR-Number 201800656).
: Not applicable.
: Charlotte Jensen-Louwerse, Harjan Sikma, Marco S. Cune, Felix L. Guljé, and Henny J.A. Meijer declare that they have no competing interests.