1. Department of Dermatology; ‘Carol Davila’ University of Medicine and Pharmacy; Colentina Hospital; Bucharest Romania
2. Department of Public Health; ‘Carol Davila’ University of Medicine and Pharmacy; Institute of National Health; Bucharest Romania
3. Department of Pathology; ‘Carol Davila’ University of Medicine and Pharmacy; University Hospital; Bucharest Romania
4. Division of Dermatooncology; Department of Dermatology; University of Tübingen; Tübingen Germany