Received: 21 July 2020
Accepted: 24 May 2021
First Online: 8 June 2021
: The ethical approval was obtained from the research ethical committee; institutional review board of Imam Abdulrahman bin Faisal University of research (IRB No. UGS-2018-01-312).The study observed confidentiality and privacy of subjects. Written informed consent was obtained preoperatively from every eligible participant. In addition, a parental written consent was obtained from parents of participants < 18 years old. The document was prepared in Arabic for convenience.
: Not applicable.
: There are no conflicts of competing interest to be disclosed regarding this paper.