1. Department of Diabetes, Endocrinology and Nutrition; Graduate School of Medicine; Kyoto University; Kyoto Japan
2. Department of Endocrinology, Metabolism and Nephrology; Kochi Medical School; Kochi University; Kochi Japan
3. Department of Psychological and Brain Sciences; University of Delaware; Newark Delaware USA
4. Kokoro Research Center; Kyoto University; Kyoto Japan