Affiliation: | a Division of Endocrinology and Metabolism, Department of Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan b Department of Metabolic Diseases, Graduate School of Medicine, University of Tokyo, Tokyo 113-8655, Japan c Department of Metabolism, Endocrinology and Atherosclerosis, Institute of Clinical Medicine, University of Tsukuba, Ibaraki 305-8575, Japan |