1. Department of Plastic, Reconstructive and Burn Surgery Arzobispo Loayza National Hospital Lima Peru
2. Department of Translational Research and New Technologies in Medicine and Surgery, Plastic Surgery Unit University of Pisa Pisa Italy
3. Department of Surgery "P.Valdoni", Unit of Plastic and Reconstructive Surgery Sapienza University of Rome Rome Italy
4. Division of Plastic and Reconstructive Surgery, Strong Memorial Hospital University of Rochester Medical Center Rochester New York USA
5. Plastic Surgery Department, Hospital Italiano de Buenos Aires University of Buenos Aires Medical School Buenos Aires Argentina