1. Department of Dermatology, Reish Policlinic; Haifa Medical Care and Health Fund of the Israel Workers Association
2. Department of Geriatrics, The Barzilai Medical Center, Ashkelon, Affiliated to the Faculty of Health Sciences; Ben Gurion University of the Negev; Beer-Sheva
3. Department of Dermatology, Tel-Nordau Central Policlinic; Medical Care and Health Fund of the Israel Workers Association; Tel-Aviv
4. Immunology Research Unit; Lady Davis Carmel Medical Center; Haifa