1. Anatomic Pathology Azienda Ospedaliera Città della Salute e della Scienza Turin Piedmont Italy
2. Department of Dermatology University Hospital Zürich Switzerland
3. Dermatologic Clinic, Department of Medical Sciences University of Torino Torino Italy
4. Department of Dermatology Section of Dermatopathology, Istituto Dermopatico dell'Immacolata Rome Italy
5. Franco Rongioletti. Dermatologic Clinic University of Genoa Genova Italy