[1] Univ Hosp Birmingham NHS FT, Diabet & Gen Med, Birmingham, W Midlands, England
[2] Univ Birmingham, Inst Metab & Syst Res, Birmingham, W Midlands, England
[3] Univ Birmingham, Coll Med & Dent Sci, Birmingham, W Midlands, England
[4] Univ Birmingham, Inst Immunol & Immunotherapy, Birmingham, W Midlands, England
[5] Aston Univ, Sch Life & Hlth Sci, Birmingham, W Midlands, England