1. Department of Oral Hygiene; College of Dental Medicine; Kaohsiung Medical University; Kaohsiung City Taiwan
2. Department of Medical Research; Kaohsiung Medical University Hospital; Kaohsiung City Taiwan
3. School of Dentistry; College of Dental Medicine; Kaohsiung Medical University; Kaohsiung City Taiwan
4. Division of Family Dentistry; Department of Dentistry; Kaohsiung Medical University Hospital; Kaohsiung City Taiwan
5. Division of Pediatric Dentistry; Department of Dentistry; Kaohsiung Medical University Hospital; Kaohsiung City Taiwan
6. Department of Healthcare Administration and Medical Informatics; College of Health Sciences; Kaohsiung Medical University; Kaohsiung City Taiwan
7. Department of Public Health; College of Health Sciences; Kaohsiung Medical University; Kaohsiung City Taiwan