[1] Univ Swansea, Sch Med, Swansea, W Glam, Wales
[2] Univ Toronto, Mt Sinai Hosp, Lunenfeld Tanenbaum Res Inst, Toronto, ON, Canada
[3] Res Med Ctr, Kansas City, MO USA
[4] Novo Nordisk AS, Soborg, Denmark
[5] Univ N Carolina, Sch Med, Chapel Hill, NC USA