1 Institute of Diabetes and Regeneration Research, Helmholtz Diabetes Center, Helmholtz Zentrum München, Munich, Germany.
2 German Center for Diabetes Research (DZD), Munich, Germany.
3 Institute of Diabetes and Regeneration Research, Helmholtz Diabetes Center, Helmholtz Zentrum München, Munich, Germany. heiko.lickert@helmholtz-muenchen.de.
4 German Center for Diabetes Research (DZD), Munich, Germany. heiko.lickert@helmholtz-muenchen.de.
5 School of Medicine, Klinikum Rechts der Isar, Technische Universität München, Munich, Germany. heiko.lickert@helmholtz-muenchen.de.