1. Department of Oral and Maxillofacial Surgery, School of Stomatology Xi'an Medical University, Xi'an, Shaanxi 710032, P.R. China
2. Department of Oral and Maxillofacial‑Head and Neck Oncology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai 200011, P.R. China
3. State Key Laboratory of Military Stomatology, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
4. State Key Laboratory of Military Stomatology, Department of Pediatric Stomatology, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
5. Department of Oral and Maxillofacial Surgery, Government Medical College and Hospital, Chandigarh, Haryana 160030, India