1. Biomedical Science Team, Chang Gung University of Science and Technology, Kwei-Shan, Taoyuan City, Taiwan
2. Department of Dentistry, Chang Gung Memorial Hospital, Taipei, Taiwan
3. School of Dentistry and Department of Dentistry, National Taiwan University Medical College and National Taiwan University Hospital, Taipei, Taiwan
4. Department of Dentistry, Municipal Taoyuan Hospital, Taoyuan City, Taiwan
5. Department of Dentistry, Chang Gung Memorial Hospital, Kaohsiung, Taiwan
6. Department of Dentistry, Cardinal Tien Hospital, New Taipei City, Taiwan