1. Division of Endocrinology and Metabolism, Department of Internal Medicine, Kurume University School of Medicine, Kurume, Fukuoka, Japan
2. Division of Respiratory, Neurology, and Rheumatology, Department of Internal Medicine, Kurume University School of Medicine, Kurume, Fukuoka, Japan
3. Division of Endocrinology and Metabolism, Department of Internal Medicine, Division of Respiratory, Neurology, and Rheumatology, Department of Internal Medicine, Kurume, Fukuoka, Japan