1. From the Division of Cardiovascular Medicine, Department of Internal Medicine (N.S., T.Y., M.T., M.S., K.N., H.T., K.H.), and Integrated Center for Mass Spectrometry (M.S.), Kobe University Graduate School of Medicine, Kobe, Japan; and Center for Innovation in Immunoregulative Technology and Therapeutics, Graduate School of Medicine, Kyoto University, Kyoto, Japan (T.U.).