1. Epidemiology and Prevention Group; Centre for Public Health Sciences; National Cancer Centre; Tokyo
2. Department of Endocrinology and Diabetes; Saitama Medical University; Saitama
3. Department of Diabetes and Endocrinology; JCHO Tokyo Yamate Medical Centre; Tokyo
4. Department of Metabolic Disorder; Diabetes Research Centre; National Centre for Global Health and Medicine; Tokyo Japan
5. Department of Epidemiology and Prevention; National Centre for Global Health and Medicine; Tokyo Japan