1. Institute of Oral Biology, School of Dentistry, National Yang-Ming University; Taipei Taiwan
2. Department of Oral and Maxillofacial Surgery; Taipei Mackay Memorial Hospital; Taipei Taiwan
3. Department of Dentistry; Zhongxiao Branch, Taipei City Hospital; Taipei Taiwan
4. Department of Radiation Oncology; Tri-Service General Hospital, National Defense Medical Center; Taipei Taiwan
5. Department of Pathology; Tri-Service General Hospital, National Defense Medical Center; Taipei Taiwan
6. Division of Histological and Clinical Pathology; Hualien Armed Forced General Hospital; Hualien Taiwan