1. Discipline of Oral Diagnosis & Polyclinics; Faculty of Dentistry; The University of Hong Kong; Hong Kong China
2. Department of Orthopaedics & Traumatology; Li Ka Shing Faculty of Medicine; The University of Hong Kong; Hong Kong China
3. Discipline of Oral Biosciences; Faculty of Dentistry; National University of Singapore; Singapore
4. Discipline of Oral and Maxillofacial Surgery; Faculty of Dentistry; The University of Hong Kong; Hong Kong China