1. Department of Dermatology; Nantes University Hospital; Nantes; France
2. Department of Dermatology UZ Brussels; Vrije Universiteit Brussel; Brussels; Belgium
3. Department of Psychosomatic Medicine-Psychodermatology; University of Giessen; Giessen; Germany
4. Department of Dermatology; Aarhus University Hospital; Aarhus; Denmark
5. Department of Dermatology; St. Justine University Hospital; Montreal; Canada
6. Department of Dermatology; Rady Children's Hospital; San Diego; California
7. Department of Dermatology; Children's Memorial Hospital; Chicago; Illinois
8. Department of Dermatology; Ninewells Hospital and Medical School; Dundee; Scotland
9. Department of Anesthesia; Intensive Care and Dermatological Sciences; Fondazione Ca' Granda Ospedale Maggiore Policlinico; Milan; Italy
10. Department of Dermatology; University of Sao Paulo Medical School; Sao Paulo; Brazil
11. Department of Dermatology; Archet Hospital; Nice; France
12. Department of Dermatology; University Hospital; Brest; France