(a) Faculty of Physics, Ludwig-Maximilians-Universität München (Germany)
(b) Department of Radiology, University Hospital, Ludwig-Maximilians-Universität München (Germany)
(c) European Synchrotron Radiation Facility (France)
(d) School of Medicine and Surgery, University of Milano-Bicocca (Italy)
(e) Milan Center for Neuroscience, University of Milano-Bicocca (Italy) (f) Institute of Anatomy, University of Bern (Switzerland)
Supported by the Deutsche Forschungsgemeinschaft (Cluster of Excellence)-Munich Center for Advanced Photonics (EXE158), International Max Plank Research School of Advanced Photon Science (IMPRS-APS), and European COST Action CA16122 in the form of a networking STSM Travel Grant.