Received: 1 October 2020
Accepted: 28 April 2021
First Online: 12 May 2021
: The ethical approval was obtained from King Saud University ethical committee (KSU-KSU-HE-19-374). All protocols are carried out in accordance with relevant guidelines and regulations. All the participants voluntarily participated in this study and provided written informed consent. Medical colleges granted permission for their students to be involved in this study.
: Not applicable.
: The author declares that there are no competing interests.