1. UOC of Dermatology, Umberto I Hospital Sapienza Medical School of Rome Italy
2. University Unit of Dermatology and Regenerative MedicineUniversity of Rome G. Marconi Rome Italy
3. Department of Dermatology and VenereologyNational Medical University of Hanoi Hanoi Vietnam
4. Department of Dermatology and VenereologyMilitary Medical Academy Belgrade Serbia