[1] Capio St Gorans Hosp, Stockholm, Sweden
[2] Diabet & Endocrine Ctr, Dallas, TX USA
[3] Univ Leicester, Leicester LE1 7RH, Leics, England
[4] L MARC Res Ctr, Louisville, KY USA
[5] Novo Nordisk, Soborg, Denmark
[6] MedStar Hlth Res Inst, Hyattsville, MD USA