Funding for this research was provided by:
Received: 10 August 2020
Accepted: 30 October 2020
First Online: 3 December 2020
Ethics approval and consent to participate
: All questionnaires were completed by the participants on a voluntary basis. Participants received detailed written information regarding the study and were free to decline participation. Participants who chose to participate in the study provided written informed consent. Only anonymous data were used for analysis. The study was approved by the Medical Ethics Committee of Erasmus Medical Center, Rotterdam (proposal number MEC-2015-614).
: Not applicable.
: The authors declare that they have no competing interests.