1. Plastic and Reconstructive Surgery Unit, Hospital of Pisa, Pisa, Italy.
2. Section of Plastic, Aesthetic and Reconstructive Surgery, General Hospital Linz, Linz, Austria.
3. Department of Plastic and Reconstructive Surgery, University of Tor Vergata, Rome, Italy.
4. Al-Babtain Hospital for Burn and Plastic Surgery, Kuwait City, Kuwait.
5. Department of Plastic and Reconstructive Surgery, Marche Polytechnic University Medical School, University Hospital, Ancona, Italy.
6. Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
7. Maxillofacial Surgery Unit, Hospital of Florence, Florence, Italy.