1. Department of DermatologyUniversity of Parma Italy
2. Department of DermatologyUniversity Cluj‐Napoca Romania
3. Clinic of Dermatology Ferrara Italy
4. Department of DermatologyFortis Hospital Shalimar Bagh India
5. Department of DermatologyUniversity of Cairo Egypt
6. Department of DermatologyUniversity G. Marconi of Rome Italy
7. Department of General, Vascular and Abdominal SurgeryMedical Institute of Ministry of Interior Sofia Bulgaria
8. Department of Dermatology, Venereology and Dermatologic surgeryMedical Institute of Ministry of Interior Sofia Bulgaria