Institution: | 1. Quotient Bioresearch Ltd, , Fordham, Cambridgeshire, UK;2. Department of Clinical Biochemistry, Addenbrooke's Hospital, Cambridge, , Cambridge, UK;3. Metabolic Research Laboratories, Institute of Metabolic Science, University of Cambridge and National Institute for Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, , Cambridge, UK;4. Department of Clinical Biochemistry, Royal Surrey County Hospital, , Guildford, UK |