Article History
Received: 11 March 2020
Accepted: 3 June 2020
First Online: 10 June 2020
Ethics approval and consent to participate
: The Research Ethics Committee, Faculty of Medicine, Ain Shams University, Cairo, Egypt (FWA 000017585) approved this study. All students provided consent to participate prior to questionnaire completion.
: Not applicable.
: The authors declare that they have no competing interests.