1. Department of Stomatology, Pudong Hospital, Fudan University
2. Department of Oral Anatomy, School of Dentistry, Chonbuk National University
3. Department of Orthodontics, School of Dentistry, Chonbuk National University
4. Department of Orthodontics, School of Stomatology, First Affiliated Hospital of Zhengzhou University
5. Zhongshan School of Medicine, Sun Yat-Sen University