1. Department of Pharmacy, Center for Drug Research, Ludwig-Maximilians-University Munich, Butenandtstraße 5, 81377 Munich, Germany
2. Institute of Science and Technology Austria (IST Austria), Am Campus 1, 3400 Klosterneuburg, Austria
3. ibidi GmbH, Am Klopferspitz 19, 82152 Martinsried, Germany
4. Faculty of Physics and Center for NanoScience, Ludwig-Maximilians-University Munich, Geschwister-Scholl-Platz 1, 80539 Munich, Germany