1. Department of Plastic and Hand Surgery, Centre Hospitalier Universitaire Vaudois (CHUV), 1011 Lausanne, Switzerland
2. Canniesburn Plastic Surgery Department, Glasgow Royal Infirmary, Glasgow G4 0SF, UK
3. Department of Plastic and Reconstructive Surgery, University Hospital of Bari, 70124 Bari, Italy
4. Department of Plastic and Reconstructive Surgery, Saint George University Hospital, Beirut 1100, Lebanon
5. Department of Plastic and Reconstructive Surgery, University Hospital of Modena, 41121 Modena, Italy
6. Department of Plastic Reconstructive and Hand Surgery, Department of Oral and Maxillofacial Surgery—University Hospital, 21000 Dijon, France