Funding for this research was provided by:
Received: 18 August 2020
Accepted: 28 February 2021
First Online: 10 March 2021
: The need for ethical approval was waived by the medical ethical committee of Leiden University Medical Center (CME - LUMC), the Netherlands.Participants were not asked for their consent because we used routinely collected de-identified data.
: Not applicable.
: The authors declare that they have no competing interests.