[1] Univ Leicester, Leicester Gen Hosp, Coll Life Sci, Diabet Res Ctr, Leicester, England
[2] Univ Hosp Leicester NHS Trust, Leicester Diabet Ctr, Leicester, Leics, England
[3] Natl Inst Hlth Res Leicester Biomed Res Ctr, Leicester, Leics, England
[4] Univ Hosp Leicester NHS Trust, Hanning Sleep Lab, Leicester, Leics, England
[5] Natl Inst Hlth Res Appl Res Collaborat East Midla, Leicester, Leics, England
[6] Deakin Univ, Sch Psychol, Geelong, Vic, Australia
[7] Australian Ctr Behav Res Diabet, Diabet Victoria, Melbourne, Vic, Australia