1. Department of Molecular and Integrative Physiology and Department of Internal MedicineUniversity of Michigan Medical SchoolAnn ArborMichiganUSA
2. University of Cambridge Metabolic Research Laboratories, Wellcome Trust–Medical Research Council (MRC) Institute of Metabolic Science, Addenbrooke's HospitalCambridgeUnited Kingdom
3. National Institute for Health Research Cambridge Biomedical Research CentreCambridgeUnited Kingdom
4. Department of Internal MedicineUniversity of Michigan Medical SchoolAnn ArborMichiganUSA
5. Department of PsychiatryCambridgeshire and Peterborough National Health Service Foundation TrustCambridgeUnited Kingdom
6. Cambridgeshire and Peterborough National Health Service Foundation TrustCambridgeUnited Kingdom