1. Department of Cardiac Sciences, King Fahad Cardiac Center, King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia
2. Clinical Sciences Department, College of Medicine, University of Sharjah, Sharjah, UAE
3. Intensive Care Department, Ministry of National Guard Health Affairs, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
4. King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
5. Section of Infectious Diseases, Baylor College of Medicine Houston, TX, USA;
6. Division of Infectious Diseases, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
7. Division of Pulmonary and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
8. Department of Molecular Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
9. Division of Epidemiology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
10. Department of Medical Specialties, Infectious Diseases Section, King Fahad Medical City, Riyadh, Saudi Arabia
11. College of Medicine, Alfaisal University, Riyadh, Saudi Arabia