1. Mansoura Dermatology, Venerology and Leprology Hospital Mansoura Egypt
2. Dave Skin & Laser Clinic Patan Gujarat India
3. University of Rome "G.Marconi" Rome Italy
4. Unit of Plastic and Reconstructive Surgery, Department of Emergency and Organ TransplantationUniversity of Bari Bari Italy
5. Department of Dermatology, Brigham and Women's HospitalHarvard Medical School Boston Massachusetts