Received: 19 November 2020
Accepted: 5 January 2021
First Online: 19 January 2021
Ethics approval and consent to participate
: The Medical Research Ethical Committee of the University Medical Center Utrecht concluded that the Medical Research Human Subject Acts (WMO) did not apply for this study.
: Not applicable.
: Authors M.E. Velthuizen, R.B. van der Luijt, B.J. de Vries, M.J. Koudijs, E.M.A. Bleiker, and M.G.E.M. Ausems declare that they have no competing interest.