1. Department of Medical, Surgical and Neurological Science, Dermatology Section University of Siena, S. Maria Alle Scotte Hospital Siena Italy
2. Department of Dermatology Hospital Erasme, Université Libre de Bruxelles Brussels Belgium
3. Department of Dermato‐Oncology Institut Jules Bordet, Université Libre de Bruxelles Brussels Belgium
4. Groupe d'Imagerie Cutanée Non Invasive (GICNI) of the Société Française de Dermatologie (SFD) Paris France
5. Private Practitioner Siena Italy