1. Department of Nuclear Medicine, Charité – Universitätsmedizin Berlin, Berlin, Germany
2. School of Mathematics and Natural Science, University of Wuppertal, Wuppertal, Germany
3. jung diagnostics GmbH, Hamburg, Germany
4. Institute of Neuroscience and Medicine, Forschungszentrum Jülich, Jülich, Germany
5. Department of Radiology, Charité – Universitätsmedizin Berlin, Berlin, Germany
6. Department of Psychiatry and Psychotherapy, Charité – Universitätsmedizin Berlin, Berlin, Germany
7. Department of Diagnostic and Interventional Radiology and Nuclear Medicine, Center for Radiology and Endoscopy, University Medical Center Hamburg-Eppendorf, Hamburg, Germany