1. Department of Head and Neck Surgery, Shanghai Jiao Tong University School of Medicine Affiliated Renji Hospital, Shanghai, China.
2. Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.
3. Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
4. Department of General Surgery, Children's Hospital of Shanghai, Shanghai Jiao Tong University, Shanghai, China.
5. Department of Pediatric Surgery, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
6. Department of Pediatric Surgery, Children's Hospital of Fudan University, Shanghai, China.