1. Medway Metabonomics Research Group, Medway School of Pharmacy, Universities of Kent and Greenwich, Chatham Maritime, United Kingdom
2. Ministry of Education Key Laboratory of Systems Biomedicine, Shanghai Centre for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai, China
3. Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD
4. Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins University, Baltimore, MD
5. Division of Computational and Systems Medicine, Department of Surgery and Cancer, Imperial College London, London, United Kingdom
6. MRC-HPA Centre for Environment and Health, Imperial College London, London, United Kingdom