1. Zernike Institute for Advanced Materials University of Groningen Nijenborgh 4 9747 AG Groningen The Netherlands
2. DWI—Leibniz Institute for Interactive Materials Forckenbeckstr. 50 52056 Aachen Germany
3. Institute of Technical and Macromolecular Chemistry RWTH Aachen University Worringerweg 1 52074 Aachen Germany
4. Fujian Provincial Key Laboratory of Innovative Drug Target Research School of Pharmaceutical Science Xiamen University 361102 Xiamen China
5. Institute for Experimental Molecular Imaging University Hospital Aachen Forckenbeckstr. 55 52074 Aachen Germany