1. Department of Dermatology Penn State Health Milton S. Hershey Medical Center Hershey PA U.S.A
2. Department of Dermatology Zealand University Hospital, Roskilde; Health Sciences Faculty University of Copenhagen Copenhagen Denmark
3. The Patients’ Association HS Denmark Copenhagen Denmark
4. Division of Infection & Immunity Cardiff University, University Hospital of Wales Heath Park Cardiff CF14 4XN U.K
5. Department of Dermatology Donald and Barbara Zucker School of Medicine at Hofstra Northwell New Hyde Park NY U.S.A
6. Department of Medicine University of Western Ontario Windsor ON Canada