Institution: | 1. Department of Medicine, Renal Division, University Hospital Freiburg, D-79106 Freiburg, Germany;2. Center for Biological Signaling Studies (bioss), University of Freiburg, D-79104 Freiburg, Germany;3. Joslin Diabetes Center, Harvard Stem Cell Institute, and Harvard Medical School Department of Genetics, Boston, MA 02215, USA |