1. Klinik für Dermatologie Venerologie und Allergologie St. Josef‐Hospital Ruhr‐Universität Bochum Bochum Germany
2. Department of Dermatology University of L'Aquila L'Aquila Italy
3. Instituto Valenciano de Oncologia Valencia Spain
4. Skin Centre St Bartholomew's Hospital and The London NHS Trust London UK
5. Hôpital Saint‐Louis Paris France
6. Department of Medicine (Dermatology) The University of Melbourne St Vincent's Hospital Melbourne and Skin & Cancer Foundation Inc. Fitzroy SA Australia
7. Universidade de Sao Paulo São Paulo Brazil
8. Adelphi Research Bollington UK
9. Leo Pharma Copenhagen Denmark
10. Mount Sinai Hospital New York NY USA