Received: 10 January 2019
Accepted: 20 August 2019
First Online: 29 August 2019
Ethics approval and consent to participate
: All students who participated in this study provided written informed consent for their participation. The study was approved by the Ethics Committee of the Faculty of Medicine, Hebrew University (institutional review board; No. 29032016).
: Not applicable.
: The authors declare that they have no competing interests.