1. Waters Corporation, Stamford Avenue, Wilmslow SK9 4AX, U.K.
2. Division of Cancer Sciences, Oglesby Cancer Research Building, Manchester Cancer Research Centre, University of Manchester, Manchester M20 4GJ, U.K.
3. Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, U.K.
4. Manchester Institute of Biotechnology, Division of Infection, Immunity and Respiratory Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M1 7DN, U.K.
5. Department of Metabolism, Digestion and Reproduction, Imperial College, South Kensington, London SW7 2AZ, U.K.
6. Scientific Operations, Waters Corporation, Milford, Massachusetts 01757, United States