1. Department of Prevention of Diabetes and Lifestyle‐Related Diseases, Graduate School of Medicine The University of Tokyo Tokyo Japan
2. Toranomon Hospital Tokyo Japan
3. Kansai Electric Power Hospital Osaka Japan
4. Kansai Electric Power Medical Research Institute Osaka Japan
5. Kawasaki Medical School Okayama Japan
6. Japan Development MSD K.K. Tokyo Japan
7. Merck Research Laboratories Merck & Co., Inc. Kenilworth New Jersey USA