1. First Department of Internal Medicine Faculty of Medicine University of Toyama Toyama Japan
2. Itoigawa Community Medical Unit Toyama University Hospital Toyama Japan
3. Center for Medical Education and Career Development University of Toyama Toyama Japan
4. Department of Internal Medicine Asahi General Hospital Asahi‐machi Japan
5. Division of Endocrinology and Metabolism Department of Internal Medicine Saiseikai Takaoka Hospital Takaoka Japan
6. Department of Internal Medicine Japan Community Health care Organization Takaoka Fushiki Hospital Takaoka Japan
7. Division of Endocrinology and Metabolism Department of Internal Medicine Toyama Rosai Hospital Uozu Japan
8. Department of Internal Medicine JA Niigata Kouseiren Itoigawa General Hospital Itoigawa Japan
9. Department of Internal Medicine Kamiichi General Hospital Kamiichi‐machi Japan
10. Department of Internal Medicine Fukuda Clinic Himi Japan
11. Department of Internal Medicine Urata Clinic Kanazawa Japan