[1] Royal Sussex Cty Hosp, Brighton BN2 5BE, E Sussex, England
[2] Univ Hosp Birmingham NHS Fdn Trust, Queen Elizabeth Hosp, Dept Endocrinol, Birmingham, W Midlands, England
[3] Royal Free London NHS Fdn Trust, Diabet & Endocrinol, London, England
[4] Queen Alexandra Hosp, Portsmouth Hosp NHS Trust, Diabet & Endocrinol, Portsmouth, Hants, England
[5] St James Univ Hosp, Leeds Teaching Hosp NHS Trust, Dept Endocrinol & Diabet, Leeds LS9 7TF, W Yorkshire, England
[6] Cardiff Univ, Sch Med, Dept Endocrinol & Diabet, Cardiff CF14 4XN, S Glam, Wales
[7] Christie Hosp, NHS Trust Manchester, Dept Med Oncol, Manchester M20 4BX, Lancs, England
[8] Univ Oxford, Churchill Hosp, Oxford Ctr Diabet Endocrinol & Metab, Dept Endocrinol, Oxford OX3 7LE, England