1. Department of Biochemistry and Molecular Genetics; American University of Beirut; Beirut Lebanon
2. Department of Dermatology; American University of Beirut; Beirut Lebanon
3. Department of Pathology; American University of Beirut; Beirut Lebanon
4. Department of Pediatrics; American University of Beirut; Beirut Lebanon
5. Division of Dermatology; Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
6. Department of Dermatology; Columbia University; New York New York