1. Department of Oral and Maxillofacial Surgery; Fifth Affiliated Hospital of Sun Yat-sen University; Zhuhai China
2. Department of Oral and Maxillofacial Surgery; Stomatological Hospital of Guangzhou Medical University; Guangzhou China
3. Department of Oral and Maxillofacial Surgery; The Affiliated Stomatological Hospital of Southern Medical University & Guangdong Provincial Stomatological Hospital; Guangzhou China
4. Department of Pathology; Fifth Affiliated Hospital of Sun Yat-sen University; Zhuhai China