1. Department of Dermatology; Hôpital Henri Mondor; APHP; UPEC; Créteil France
2. Department of Dermatology and Venerology; Motol Hospital; Prague Czech Republic
3. Department of Dermatology, Venerology and Allergology; Medical University; Wroclaw Poland
4. Department of Dermatology; UCL; Cliniques Universitaires Saint-Luc; Brussels Belgium
5. Department of Pathophysiology and Transplantation; University of Milan; Milan Italy
6. Pierre Fabre Dermatologie; Les Cauquillous; Lavaur France