Data were provided by the study groups of the DESCRIBE studies of the Clinical Research of the German Center for Neurogenerative Diseases (DZNE). The Ulm University Center for Translational Imaging MoMAN is thankfully acknowledged for its support.

Members of the DESCRIBE-PSP study group: Moritz Brandt (Department of Neurology, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany), Katharina Buerger (Institute for Stroke and Dementia Research, University Hospital, LMU Munich, Munich, Germany), Emrah Düzel (Institute of Cognitive Neurology and Dementia Research, Otto-von-Guericke University, Magdeburg, Germany), Björn Falkenburger (Department of Neurology, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany), Agnes Flöel (Department of Neurology, University Medicine Greifswald, Greifswald, Germany), Wenzel Glanz (Clinic for Neurology, Medical Faculty, University Hospital Magdeburg, Magdeburg, Germany), Günter U. Höglinger (Department of Neurology, University Hospital, LMU Munich, Munich, Germany), Daniel Janowitz (Institute for Stroke and Dementia Research, University Hospital, LMU Munich, Munich, Germany), Sabrina Katzdobler (Department of Neurology, University Hospital of Munich, Ludwig-Maximilians-Universität (LMU) Munich, Munich, Germany), Ingo Kilimann (Department of Psychosomatic Medicine, Rostock University Medical Center, Rostock, Germany), Okka Kimmich (Department of Neurology, University of Bonn, Bonn, Germany), Johannes Levin (Department of Neurology, University Hospital of Munich, Ludwig-Maximilians-Universität (LMU) Munich, Munich, Germany), Oliver Peters (Charité—Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin-Institute of Psychiatry and Psychotherapy), Josef Priller (Department of Psychiatry and Psychotherapy, Charité, Berlin, Germany), Johannes Prudlo (Department of Neurology, University Medical Centre, Rostock, Germany), Luisa-Sophie Schneider (Charité—Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin-Institute of Psychiatry and Psychotherapy), Annika Spottke (Department of Neurology, University of Bonn, Bonn, Germany), Eike Jakob Spruth (Department of Psychiatry and Psychotherapy, Charité, Berlin, Germany), Matthis Synofzik (Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research and Center of Neurology, University of Tübingen, Tübingen, Germany), Stefan Teipel (Department of Psychosomatic Medicine, Rostock University Medical Center, Rostock, Germany), Carlo Wilke (Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research and Center of Neurology, University of Tübingen, Tübingen, Germany).