1. Dermatology and Skin Cancer Department, Hôpital Timone, Marseille, France
2. Laboratory of Sciences of Information and Systems, Aix-Marseille University, Marseille, France
3. Department of Dermatology, The Hertford British Hospital Charity, Levallois-Perret, France
4. Department of Dermatology, Lyon Sud Hospital, Pierre Bénite, France
5. Department of Dermatology, University of Modena and Reggio Emilia, Modena, Italy
6. Department of Dermatology, Hospital Clinic of Barcelona, Barcelona, Spain
7. Department of Dermatology, Assistance Publique des Hôpitaux de Paris, Hospital Cochin, University Paris Descartes, Paris, France