[1] Royal Liverpool Univ Hosp, NIHR Liverpool Pancreas Biomed Res Unit, Liverpool, Merseyside, England
[2] Univ Liverpool, Liverpool L69 3BX, Merseyside, England
[3] Univ Liverpool, Dept Cellular & Mol Physiol, Liverpool L69 3BX, Merseyside, England
[4] Univ Liverpool, Dept Mol & Clin Pharmacol, Inst Translat Med, Liverpool L69 3BX, Merseyside, England
[5] Univ Liverpool, NMR Ctr Struct Biol, Inst Integrat Biol, Liverpool L69 3BX, Merseyside, England
[6] Univ Liverpool, Dept Chem, Liverpool L69 3BX, Merseyside, England