1. Division of Dermatology Department of Medicine Women's College HospitalUniversity of Toronto Toronto ON Canada
2. Dermatology Unit Barzilai University Medical Center Ashkelon Israel
3. The Faculty of Health Sciences Ben‐Gurion University of the Negev Beer‐Sheba Israel
4. Dermatology Unit Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico Milan Italy
5. Department of Physiopathology and Transplantation Università degli Studi di Milano Milan Italy