1. From the Department of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel;
2. Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel;
3. Department of Dermatology, The Chaim Sheba Medical Center, Tel Hashomer, Israel;
4. Department of Dermatology, Rabin Medical Center, Petah-Tiqva, Israel;
5. Department of Dermatology, Hadassah University Medical Center, Jerusalem, Israel; and
6. Shamir Medical Center, Zerifin, Israel.