1. Department of Endocrinology and Diabetes, National Hospital Organization, Nagoya Medical Center, Japan
2. Department of Endocrinology and Metabolism, Japan Community Healthcare Organization, Chukyo Hospital, Japan
3. Department of Gastroenterology, National Hospital Organization, Nagoya Medical Center, Japan
4. Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Japan
5. Department of Gastroenterology, Toyota Kosei Hospital, Japan