University Medical Center Hamburg- Eppendorf - Department of Biochemistry and Molecular Cell Biology, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - Department of Biochemistry and Molecular Cell Biology and Independent