1. Department of Internal Medicine, Tri-Service General Hospital (J.-C.L., S.-C.W., F.-Y.C.), Taipei 114, Taiwan, Republic of China
2. Divisions of Clinical Research (L.K.S.), Taipei 114, Taiwan, Republic of China
3. Department of Medicine, Taipei Veterans General Hospital and National Yang-Ming University (C.-P.F.), Taipei 112, Taiwan, Republic of China
4. Biostatistics (H.-H.T.), Taipei 114, Taiwan, Republic of China
5. Fu-Jen Catholic University (J.-J.W.), Taipei 248, Taiwan, Republic of China
6. Biotechnology and Pharmaceutical Research (C.-T.C.),National Health Research Institutes, Taipei 114, Taiwan, Republic of China