University Würzburg, University of Würzburg, University of Zurich, Dresden University of Technology, Leipzig University Medical Center, University of Würzburg, University of Würzburg, Ludwig Maximilian University of Munich (LMU), Johannes Gutenberg University Mainz, Leipzig University Medical Center, University of Duisburg-Essen - Department of Nuclear Medicine, Freie Universität, Berlin, Ludwig Maximilian University of Munich (LMU) - Department of Medicine IV, Johannes Gutenberg University Mainz, University of Leipzig - University Hospital Leipzig, University of Würzburg, University of Würzburg, University of Würzburg, Imperial College London, University of Würzburg, University of Würzburg, Philipps-University Marburg and University Würzburg