1. Associate Professor, Department of Orthodontics, Guanghua School of Stomatology; Hospital of Stomatology, Sun Yat-sen University; Guangzhou China
2. Associate Professor, Department of Orthodontics, Guangdong Provincial Stomatological Hospital; Southern Medical University; Guangzhou China
3. Professor, Oral Implantology Center, Guangdong Provincial Stomatological Hospital; Southern Medical University; Guangzhou China
4. Professor, Department of Orthodontics, Guangdong Provincial Stomatological Hospital; Southern Medical University; Guangzhou China
5. Professor, Department of Periodontology, Guangdong Provincial Stomatological Hospital; Southern Medical University; Guangzhou China