1. Department of Diabetes Care Medicine Osaka University Graduate School of Medicine 2‐2 Yamadaoka Suita 565‐0871 Japan
2. Department of Metabolic Medicine Osaka University Graduate School of Medicine 2‐2 Yamadaoka Suita 565‐0871 Japan
3. Shiraiwa Medical Clinic 4‐10‐24 Hozenji Kashiwara City, Osaka 582‐0005 Japan