1. Faculty of Medicine & Medical Sciences, Holy Spirit University of Kaslik (USEK), Jounieh, Lebanon
2. Department of Internal Medicine, Notre Dame Maritime Hospital, Jbeil, Lebanon
3. Infectious Disease department, Notre Dame des Secours University Hospital, Byblos, Lebanon
4. Infectious Disease department, Bellevue Medical Center, Mansourieh, Lebanon
5. INSPECT-LB: Institut National de Sante Publique, Epidemiologie Clinique et Toxicologie – Liban, Beirut, Lebanon