Received: 31 May 2019
Accepted: 19 August 2019
First Online: 5 September 2019
Ethics approval and consent to participate
: This study is a scoping review (type of literature review). This study does not report or involve any human or animal data or tissue. (Not Applicable).
: Not applicable.
: Dr. Usman Mahboob (co-author) is a member of the editorial board of BMC Medical Education. The remaining authors declare that they have no competing interests.