1. Department of Dermatology; Inselspital University Hospital; University of Bern; Bern Switzerland
2. Centro Studi GISED; Bergamo Italy
3. CME-CPD Committee; European Academy of Dermatology and Venereology; Lugano Switzerland
4. European Academy of Dermatology and Venereology; Lugano Switzerland
5. Department of Dermatovenereology; Charles University 3rd Faculty of Medicine; Prague Czech Republic
6. Dermatology Unit; San Bortolo Hospital - Azienda ULSS8 Berica; Vicenza Italy