1. Division of Infectious Diseases, Department of Medicine, King Abdulaziz University , Jeddah , Saudi Arabia
2. Division of Infectious Diseases, Department of Medicine, City of Hope , Duarte, California , USA
3. Division of Infectious Diseases, Icahn School of Medicine at Mount Sinai , New York, New York , USA
4. Division of Cardiology, Icahn School of Medicine at Mount Sinai , New York, New York , USA