1. Department of Psychiatry and Psychotherapy, Klinikum rechts der Isar der Technischen Universität München, Munich, Germany
2. Department of Genome Research and Clinical Application, Chiba University, Graduate School of Medicine, Chiba, Japan
3. Department of Nuclear Medicine, Technische Universität München, Munich, Germany
4. TUM Neuroimaging Center (TUM-NIC), Technische Universität München, Munich, Germany
5. Klinik und Poliklinik für Nuklearmedizin, Uniklinik Köln, Cologne, Germany
6. Neuroepidemiology and Ageing Research Unit, School of Public Health, Faculty of Medicine, The Imperial College of Science, Technology and Medicine, London, UK