1. Department of Diabetes and Endocrinology Uwajima City Hospital Uwajima Japan
2. Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Toon Japan
3. Health Services Center Ehime University, Bunkyo Matsuyama Japan
4. Department of Lifestyle‐Related Medicine and Endocrinology Ehime University Graduate School of Medicine Toon Japan
5. Ehime General Health Care Association Matsuyama Japan
6. Postgraduate Medical Education Center Ehime University Graduate School of Medicine Toon Japan