1. Department of Dentistry; Ditmanson Medical Foundation Chia-Yi Christian Hospital; Chia-Yi Taiwan
2. School of Dentistry; College of Dental Medicine; Kaohsiung Medical University; Kaohsiung Taiwan
3. Oral & Maxillofacial Imaging Center; College of Dental Medicine; Kaohsiung Medical University; Kaohsiung Taiwan
4. Division of Oral Pathology & Maxillofacial Radiology; Department of Dentistry; Kaohsiung Medical University Hospital; Kaohsiung Taiwan