1. Department of Internal Medicine, Roger Williams Medical Center, RI, USA
2. Dermatologic SurgiCenter, Philadelphia, PA, USA
3. Faculty of Medicine, University of Balamand, Beirut, Lebanon
4. Department of Dermatology, Saint Georges Hospital University Medical Center, Beirut, Lebanon
5. Faculty of Medicine, American University of Beirut, Beirut, Lebanon
6. University of Balamand Faculty of Medicine & Medical Sciences El-Koura, Lebanon
7. Department of Hematology-Oncology, Oncology department, Hotel Dieu de France Hospital, Beirut, Lebanon