1. Department of Oral & Cranio‐Maxillofacial Surgery Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineShanghai Key Laboratory of StomatologyShanghai Research Institute of Stomatology Shanghai China
2. Department of Dentistry Zhongshan HospitalFudan University Shanghai China
3. Department of General Surgery Shanghai Ninth People's HospitalShanghai Jiao Tong University School of Medicine Shanghai China