Received: 29 March 2021
Accepted: 21 June 2021
First Online: 6 July 2021
: This study has been approved by the ethical committee of Faculty of Medicine, Taibah University, KSA. The approval number is 007-1442. An informed written consent was waived as it is a retrospective study.
: Not applicable
: The authors declare that they have no competing interests.