1. Department of Dermatology, Hôpital Erasme, HUB Université Libre de Bruxelles Brussels Belgium
2. Department of Dermatology Catholic University of the Sacred Heart Rome Italy
3. Dermatology Unit, Department of Medical, Surgical and Neurological Sciences University of Siena Siena Italy
4. Groupe d'Imagerie Cutanée Non Invasive (GICNI) of the Société Française de Dermatologie (SFD) Paris France
5. Department of Dermatology University Hospital of Saint‐Etienne Saint‐Etienne France
6. Melanoma Unit, Hospital Clinic Barcelona University of Barcelona Barcelona Spain
7. CIBER de enfermedades raras Instituto de Salud Carlos III Barcelona Spain
8. Department of Dermatology, Institut Jules Bordet, HUB Université Libre de Bruxelles, HUB Brussels Belgium