1. Institute of Functional Interfaces (IFG); Karlsruhe Institute of Technology (KIT); Eggenstein-Leopoldshafen Germany
2. Applied Physical Chemistry; Ruprecht-Karls-University Heidelberg; Heidelberg Germany
3. Analytical Chemistry - Biointerfaces; Ruhr-University Bochum; Bochum Germany
4. Max-Planck-Institute for Intelligent Systems; Stuttgart Germany
5. ESRF; Grenoble Cedex France
6. Institute for Photon Science and Synchrotron Radiation (IPS); Karlsruhe Institute of Technology (KIT); Eggenstein-Leopoldshafen Germany
7. Department of Molecular Physiology and Biophysics; The University of Iowa; Iowa City IA USA
8. Center for the Prevention and Treatment of Visual Loss; Iowa City Veterans Affairs (VA) Health Care System; Iowa City IA USA