Affiliation: | ? Professor and Director, Department of Oral and Maxillofacial Surgery, Sun Yet-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China;† Assistant Professor, Department of Oral and Maxillofacial Surgery, Sun Yet-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China;‡ Attending Physician, Department of Oral and Maxillofacial Surgery, Sun Yet-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China;§ Assistant Professor, Department of Oral and Maxillofacial Surgery, Sun Yet-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China;∥ Attending Physician, Department of Oral and Maxillofacial Surgery, Sun Yet-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China;¶ Attending Physician, Department of Oral and Maxillofacial Surgery, Sun Yet-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China |