1. School of Dentistry; College of Oral Medicine; Taipei Medical University; Taipei Taiwan
2. Division of Orthodontics; Department of Dentistry; Wan-Fang Medical Center; Taipei Taiwan
3. Charm Aesthetic Surgery Clinic; Taipei Taiwan
4. Department of Dentistry; National Defense Medical Center; Taipei Taiwan
5. Oral and Maxillofacial Surgery Section; Chi Mei Medical Center; Tainan Taiwan
6. Oral and Maxillofacial Surgery Section; Tzu Chi Hospital; Taipei Taiwan
7. Research Center for Tooth Bank and Dental Stem Cell Technology; College of Oral Medicine; Taipei Medical University; Taipei Taiwan