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