Published on in Vol 23, No 12 (2021): December
1 Department of Family and Community Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia
2 Prince Naif Bin Abdulaziz Health Research Center, King Saud University, Riyadh, Saudi Arabia
3 Medical Researches Company, iResearch, Riyadh, Saudi Arabia
4 Riphah Institute of Healthcare Improvement & Safety, Riphah International University, Islamabad, Pakistan
5 Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh, Saudi Arabia
6 College of Medicine, Vision Colleges, Riyadh, Saudi Arabia