1. Biomolecular Medicine, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, United Kingdom, Metabonomics Evaluation Group, Pfizer Global R&D, Ann Arbor, Michigan 48105, School of Life Science and Biotechnology, Korea University, 5-1, Anam-dong, Sungbuk-gu, Seoul 136-701, Republic of Korea, and Bristol-Myers Squibb, Route 206 & Province Line Road, Princeton, New Jersey 08543-4000