J Al-Hage1, O Abbas1, G Nemer2, M Kurban1,2,3. 1. Department of Dermatology, American University of Beirut, Beirut, Lebanon. 2. Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut, Lebanon. 3. Department of Dermatology, Keserwan Medical Center, Ghazir, Lebanon.