Department of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel. Sackler Faculty of Medicine, Department of Human Molecular Genetics & Biochemistry, Tel Aviv University, Ramat Aviv, Israel. Department of Dermatology, Ha'Emek Medical Center, Afula, Israel. The Ruth and Bruce Rappaport, Faculty of Medicine, Technion, Haifa, Israel. Genetic Institute, Ha'Emek Medical Center, Afula, Israel. British Ministry of Defense, London, UK.