1. University of Medicine and Pharmacy of Tirgu-Mures; Tirgu-Mures Romania
2. Department of Dermatology and Environmental Medicine; University of Osnabrueck; Osnabrueck Germany
3. Institute for Interdisciplinary Dermatological Prevention and Rehabilitation (iDerm) at the University of Osnabrueck; Osnabrueck Germany
4. Mediconsult Medical Centre; Tirgu-Mures Romania
5. Mures County Clinical Hospital; Tirgu-Mures Romania
6. Carol Davila' University of Medicine and Pharmacy; Bucharest Romania