1. Dermatology Unit, Department of Medical, Surgical and Neurological Sciences University of Siena Siena Italy
2. Société Française de Dermatologie Groupe d'Imagerie Non Invasive de la Société Française de Dermatologie Paris France
3. Department of Medical Biotechnologies University of Siena Siena Italy
4. Dermatology Unit, Department of Medical and Surgical Sciences A. Gemelli University Hospital Foundation – IRCCS Rome Italy
5. Dermatologia, Dipartimento di Medicina e Chirurgia Traslazionale Università Cattolica del Sacro Cuore Rome Italy
6. Department of Dermatology University Hospital of Saint‐Etienne Saint‐Etienne France
7. Department of Dermatology, Hôpital Erasme Université Libre de Bruxelles Brussels Belgium
8. Department of Dermatology, Institut Jules Bordet Université Libre de Bruxelles Brussels Belgium