1. Department of Dermatology and Allergic Diseases; University Clinic Ulm; Germany
2. Department of Dermatology; University of Medicine and Pharmacy “Iuliu Hatieganu”; Cluj-Napoca Romania
3. Department of Face Mouth Jaw Surgery; University of Medicine and Pharmacy “Iuliu Hatieganu”; Cluj-Napoca Romania
4. Department of Anesthesiology; University Clinic Ulm; Germany
5. Department of Dermatology and Dermatosurgery; Helios Clinic; Rottweil Germany