1. State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial SurgerySchool of Stomatology, The Fourth Military Medical University Xi'an People's Republic of China
2. Department of StomatologyPLA 301 Hospital Beijing People's Republic of China
3. Department of StomatologyShenzhen Hospital of Southern Medical University Shenzhen People's Republic of China
4. Department of Orthopedic SurgeryBrigham and Women's Hospital Boston Massachusetts