1. Professor of Dermatology and Venereology, Department of Dermatology and Venereology, Odense University Hospital, Odense, Denmark
2. Professor of Dermatology and Venereology, Department of Dermatology and Venereology, Gentofte Hospital, Copenhagen, Denmark
3. Medical Department, AB DRACO (a subsidiary to AB ASTRA, Sweden), Lund, Sweden