Received: 6 April 2020
Accepted: 13 July 2020
First Online: 21 July 2020
Ethics approval and consent to participate
: The study was approved by The Scientific and Ethical Review Board (VCWE) of the Faculty of Behaviour and Movement Sciences, Vrije Universiteit Amsterdam (VCWE-2019-065R1). All participants gave digital informed consent before completing the survey.
: Not applicable.
: The authors declare that they have no competing interests.