1. Department of Medicine King Faisal Specialist Hospital and Research Center Jeddah Saudi Arabia
2. Department of Medicine University of Jeddah Jeddah Saudi Arabia
3. Department of Intensive Care College of Medicine, King Saud bin Abdulaziz University for Health Sciences, King Abdullah International Medical Research Center, King Abdulaziz Medical City Jeddah Saudi Arabia
4. Prince Sultan Military Medical City Military Medical Services, Ministry of Defense Riyadh Saudi Arabia
5. Department of Biostatistics and Bioinformatics, King Abdullah International Medical Research Center, College of Medicine King Saud bin Abdulaziz University for Health Sciences Riyadh Saudi Arabia
6. Department of Intensive Care, Dr. Sulaiman Al‐Habib Group Hospitals, College of Medicine Alfaisal University Riyadh Saudi Arabia
7. Department of Critical Care, Ohoud Hospitals King Fahad Hospital Al‐Madinah Al‐Monawarah Saudi Arabia
8. Critical Care Medicine King Fahad Medical City Riyadh Saudi Arabia
9. Intensive Care Department Al‐Noor Specialist Hospital Makkah Saudi Arabia
10. Department of Medicine Division of Infectious Diseases, University of Western Ontario London Canada
11. Department of Medicine Division of Infectious Diseases, King Fahad Armed Forces Hospital Jeddah Saudi Arabia
12. King Saud University Riyadh Saudi Arabia
13. Department of Anesthesiology, Intensive Care Tanta University Hospitals Tanta Egypt
14. Intensive Care Department King Saud Medical City Riyadh Saudi Arabia
15. King Faisal Specialist Hospital and Research Center Riyadh Saudi Arabia
16. Intensive Care Department King Abdulaziz Hospital Al Ahsa Saudi Arabia
17. Department of Family and Community Medicine King Abdulaziz University Hospital, Ministry of Health Jeddah Saudi Arabia
18. Intensive Care Department King Fahd Hospital Jeddah Saudi Arabia
19. Infection Prevention and Control Department, King Abdullah International Medical Research Center, College of Medicine King Abdulaziz Medical City, King Saud bin Abdulaziz University for Health Sciences Riyadh Saudi Arabia
20. Intensive Care Department, King Abdullah International Medical Research Center, College of Medicine King Abdulaziz Medical City, King Saud bin Abdulaziz University for Health Sciences Riyadh Saudi Arabia
21. Infectious Diseases Data Observatory, Churchill Hospital Oxford University, International Severe Acute Respiratory and Emerging Infection Consortium (ISARIC) Headington UK
22. Department of Medicine, Division of Infectious Diseases and International Health University of Virginia School of Medicine, International Severe Acute Respiratory and Emerging Infection Consortium (ISARIC) Charlottesville Virginia
23. Department of Critical Care Medicine and Department of Medicine, Sunnybrook Hospital, Institute of Health Policy Management and Evaluation University of Toronto Toronto Canada