[1] Brighton & Sussex Med Sch, Med, Brighton, E Sussex, England
[2] Norfolk & Norwich Univ Hosp NHS Fdn Trust, Med, Norwich, Norfolk, England
[3] Univ Cambridge, Med Sch, Med, Cambridge, England
[4] Norfolk & Norwich Univ Hosp NHS Fdn Trust, Elsie Bertram Diabet Ctr, Norwich, Norfolk, England
[5] Univ East Anglia, Norwich Med Sch, Norwich, Norfolk, England