Department of Neurosurgery, University Medical Center, Göttingen, Germany. Paracelsus-Elena Klinik, Kassel, Germany. Neurologische Klinik und Poliklinik, Klinikum rechts der Isar, Technische Universität München, Munich, Germany. Institut für Neurogenomik, Helmholtz Zentrum München, Munich, Germany. Munich Cluster for Systems Neurology (SyNergy), Munich, Germany. Department of Neurology, Philipps-University Marburg, Marburg, Germany. Vifor Pharma, Glattbrugg, Switzerland.