1. Graduate Institute of Clinical Dentistry, School of Dentistry; National Taiwan University; Taipei Taiwan
2. Department of Dentistry; National Taiwan University Hospital, College of Medicine; Taipei Taiwan
3. Department of Internal Medicine; Far Eastern Memorial Hospital; Taipei Taiwan
4. Department of Chemical Engineering and Materials Science; Yuan-Ze University; Chung-Li Taiwan
5. School of Dentistry; National Taiwan University; Taipei Taiwan
6. Graduate Institute of Oral Biology, School of Dentistry; National Taiwan University; Taipei Taiwan