1. Big Data Research Center, Changhua Christian Hospital, Changhua, Taiwan.
2. Institute of Epidemiology and Prevention Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan.
3. School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan.
4. Oral Health Care Research Center, College of Oral Medicine, Taipei Medical University.
5. Department of Dentistry, Shuang-Ho Hospital, Taipei Medical University.
6. Taiwan Dental Health Care Organization, Taipei, Taiwan.