1 Allergy and Clinical Immunology Unit, Department of Medicine, Hadassah Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel.
2 Photodermatosis Service, Division of Dermatology, Rabin Medical Center, Petah-Tikva, Israel; Department of Dermatology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
3 Allergy and Clinical Immunology Unit, Department of Medicine, Hadassah Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel. Electronic address: yuvalt@hadassah.org.il.