[1] Tech Univ Munich, Inst Diabet & Obes, Helmholtz Zentrum Muenchen, D-85764 Munich, Germany
[2] Tech Univ Munich, Dept Med, D-85764 Munich, Germany
[3] Sanford Burnham Med Res Inst, La Jolla, CA 92037 USA
[4] Helmholtz Ctr Munich, Inst Pathol, Res Unit Analyt Pathol, Munich, Germany
[5] Univ Cincinnati, Dept Internal Med, Metabol Dis Inst, Cincinnati, OH USA
[6] Sanford Burnham Med Res Inst, Diabetes & Obes Res Ctr, Orlando, FL USA
[7] Cincinnati Childrens Hosp Res Fdn, Div Mol Immunol, Cincinnati, OH USA
[8] Univ Cincinnati, Coll Med, Cincinnati, OH USA
[9] German Res Ctr Environm Hlth, Helmholtz Ctr Munich, Res Unit Stem Cell Dynam, Neuherberg, Germany
[10] Helmholtz Ctr Munich, Inst Expt Genet, Munich, Germany
[11] Univ Marburg, Dept Anim Physiol, Marburg, Germany
[12] Inst Genet & Dev Biol, Beijing, Peoples R China
[13] Univ Aberdeen, Inst Biol & Environm Sci, Aberdeen, Scotland
[14] Harvard Univ, Sch Med, Joslin Diabet Ctr, Boston, MA 02115 USA