1. From the Department of Dermatology, Tel Aviv Sourasky Medical Center, Tel Avov, Israel.
2. Sackler School of Medicine, Tel-Aviv University, Tel Aviv, Israel.
3. Division of Dermatology, Rabin Medical Center, Petah Tikva, Israel.
4. Clalit Healthcare Services, Petah Tikva, Israel.
5. Sheba Medical Center, Ramat-Gan, Israel.
6. Occupational Medicine Department, Maccabi Healthcare Services, Rishon Lezion, Israel.
7. Division of Environmental and Occupational Medicine Public Health School, Sackler Faculty of Medicine, Tel-Aviv, Israel.