1. Division of Preventive Dentistry; Department of Oral Health Science; Graduate School of Medical and Dental Sciences; Niigata University; Niigata Japan
2. Department of Preventive and Restorative Dental Sciences; University of California San Francisco; San Francisco CA USA
3. Department of Cariology, Restorative Sciences, and Endodontics; School of Dentistry; University of Michigan; Ann Arbor MI USA
4. Department of Cariology Restorative Sciences & ENDO (CRSE); 1011 N. University; Ann Arbor MI USA
5. Division of Oral Science for Health Promotion; Department of Oral Health and Welfare; Graduate School of Medical and Dental Sciences; Niigata University; Niigata Japan
6. Department of Health and Nutrition; Faculty of Human Life Studies; University of Niigata Prefecture; Niigata Japan