1. Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine (H.A., K.T., Y.O., K.H., T.A., K.D., K.N.), Kyoto 606-8507
2. Clinical Research Institute, Center for Endocrine and Metabolic Diseases, Kyoto National Hospital (T.T., T.U., A.S.), Kyoto 612-8555
3. Division of Endocrinology, Department of Medicine, Kyoto City Hospital (M.S., T.K.), Kyoto 604-8845
4. Department of Internal Medicine, Fukui Red Cross Hospital (K.N., S.T.), Fukui 918-8501
5. Department of Anesthesia, Kyoto University Hospital (G.S.), Kyoto 606-8507
6. Department of Biochemistry, National Cardiovascular Center Research Institute (K.D., H.H., M.K., K.K.), Osaka 565-8565, Japan