Funding for this research was provided by:
Centre of Postgraduate Medical Education (501-1-10-14-18)
Received: 2 April 2020
Accepted: 20 August 2020
First Online: 11 September 2020
Ethics approval and consent to participate
: The participants gave written informed consent for participation in the study. The investigation conforms to the principles outlined in the Declaration of Helsinki, and the study protocol was approved by the Ethical Committee of the Centre of Postgraduate Medical Education.
: Not applicable.
: The authors declare that they have no competing interests.