Funding for this research was provided by:
This research was funded by the department of obstetrics and gynaecology of the erasmus mc, university medical center, rotterdam, the netherlands.
Received: 2 July 2021
Accepted: 7 October 2021
First Online: 4 November 2021
: This study was conducted according to the guidelines laid down in the Declaration of Helsinki and approved by the Medical Ethical and Institutional Review Board of the Erasmus MC, University Medical Center, Rotterdam, The Netherlands.
: Written informed consent was obtained from all participants at enrollment.