1 Pediatric Intensive Care Unit, Pediatric Department, College of Medicine, King Saud University, Riyadh, 11362, Saudi Arabia.
2 Department of Family and Community Medicine, King Saud University Medical City, Riyadh, 11362, Saudi Arabia.
3 Evidence-Based Health Care & Knowledge Translation Research Chair, Family & Community Medicine Department, College of Medicine, King Saud University, Riyadh, 11362, Saudi Arabia.
4 Specialty Internal Medicine and Quality Department, Johns Hopkins Aramco Healthcare, Dhahran, 34465, Saudi Arabia.
5 Infectious Disease Division, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN46202, USA.
6 Infectious Disease Division, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD21218, USA.