1. Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China
2. Department of Plastic and Reconstructive Surgery, The Royal London Hospital, London, United Kingdom
3. Department of Plastic and Reconstructive Surgery, Marche Polytechnic University Medical School, University Hospital of Ancona, Italy
4. Plastic Reconstructive and Aesthetic Surgery Unit, Villa Salaria Clinic, Rome, Italy