1. Biomedical Research Center, Qatar University, Doha, Qatar
2. Department of Biomedical Science, College of Health Sciences, Member of QU Health, Qatar University, Doha, Qatar
3. Communicable Diseases Center, Hamad Medical Corporation, Doha, Qatar
4. Department of Internal Medicine, Hazm Mebaireek General Hospital, Hamad Medical Corporation, Doha, Qatar
5. Division of Infectious Diseases, Department of Medicine, Hamad Medical Corporation, Doha, Qatar
6. Medical Intensive Care Unit, Hamad Medical Corporation, Doha, Qatar
7. Department of Cardiology, Hamad Medical Corporation, Doha, Qatar
8. Al-Wakra Hospital, Hamad Medical Corporation, Doha, Qatar