1. From the Division of Endocrinology and Metabolism, Department of Internal Medicine (T.W., M.T., D.Y., A.T., S.T., H.Y., S.N., K.E., S.I.), Jichi Medical University, Shimotsuke, Japan.
2. Division of Inflammation Research, Center for Molecular Medicine (T.K., M.T.), Jichi Medical University, Shimotsuke, Japan.