Funding for this research was provided by:
ZonMw (200130004)
Article History
Received: 22 February 2019
Accepted: 18 October 2019
First Online: 19 December 2019
Ethics approval and consent to participate
: This study has been approved by the Medical Ethics Committee of the Erasmus University Medical Centre. Each participant gave written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.