1. Department of Internal Medicine, Division of Infectious Diseases, Makassed General Hospital, Beirut, Lebanon;
2. Division of Infectious Diseases, Hôtel Dieu de France, Beirut, Lebanon;
3. Pharmacy Department, Makassed General Hospital, Beirut, Lebanon;
4. School of Pharmacy, Beirut Arab University, Beirut, Lebanon;
5. Department of Medical Research, Makassed General Hospital, Beirut, Lebanon;
6. Department of Internal Medicine, American University of Beirut, Beirut, Lebanon;
7. Department of Laboratory Medicine, Makassed General Hospital, Beirut, Lebanon;
8. Nursing Office, Makassed General Hospital, Beirut, Lebanon;
9. Faculty of Arts and Sciences, American University of Beirut, Beirut, Lebanon;
10. Department of Internal Medicine, Makassed General Hospital, Beirut, Lebanon;
11. Department of Internal Medicine, Division of Infectious Diseases, American University of Beirut, Beirut, Lebanon