Received: 29 July 2021
Accepted: 29 October 2021
First Online: 24 November 2021
: The study was approved on November 2020, by King Abdullah International Medical Research Center (KAIMRC)-Institutional Review Board (IRB), Riyadh, Saudi Arabia (Reference No: RC20/587/R). All methods were performed in accordance with relevant guidelines and regulations. Participants’ confidentiality was strictly observed throughout the study by using anonymous unique serial number for each subject and restricting data only to the investigators. KAIMRC-IRB committee waived the informed consent due to its retrospective nature.
: Not applicable.
: No author has a conflict of interest in this study.