1. Department of Plastic Surgery Hospital de la Santa Creu i Sant Pau, Clinic Barcelona Hospital University Spain
2. Department of Plastic Surgery Grigore T. Popa University of Medicine and Pharmacy of Iasi, CEMEX, Sf. Maria Children's Emergency Hospital Lasi Romania
3. Hospital Universitario Virgen del Rocio Sevilla Spain
4. Department of Plastic Surgery Clinic Barcelona Hospital University Barcelona Spain
5. Department of Plastic Surgery Bellvitge University Hospital Barcelona Spain
6. Department of Plastic Surgery Asan Medical Center Seoul South Korea