1. Division of Cardiovascular Medicine (N.Y., T.E., T.Y., T.H., T.T., N.S., T.M., H.Z.A., K.H.), Kobe University Graduate School of Medicine, Japan.
2. School of Life Science and Technology, Tokyo Institute of Technology, Japan (H.W., T.Y.).
3. Division of Gastroenterology (N.H.), Kobe University Graduate School of Medicine, Japan.
4. Department of Internal Medicine; Integrated Center for Mass Spectrometry, Laboratory Medicine (N.H.), Kobe University Graduate School of Medicine, Japan.
5. TechnoSuruga Laboratory Co, Ltd, Shizuoka, Japan (G.O.).
6. Department of Internal Medicine, Faculty of Medicine, Universitas Indonesia, Jakarta (H.Z.A.).
7. Division of Diabetes and Endocrinology (Y.H., W.O.), Kobe University Graduate School of Medicine, Japan.