1. Department of Physical Chemistry II, Ruhr University Bochum, Bochum, Germany
2. Department of Biochemistry of Neurodegenerative Diseases, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, Bochum, Germany
3. Department of Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr Unviersity Bochum, Bochum, Germany
4. Department of Physics, TU Dortmund, Dortmund, Germany