1Department of Neurology, University of Ulm, Ulm, Germany
2Max Planck Unit for Structural Molecular Biology, c/o DESY, Notkestr, Hamburg, Germany
3Institute for Ageing and Health, Newcastle University, Campus for Ageing and Vitality, Newcastle upon Tyne, UK
4Centre Hospitalier de Valenciennes, Résidence du Val d'Escaut, Avenue Desandrouin, Valenciennes, France
5University of Michigan Medical Center, 1500 E Medical Center Dr, Ann Arbor, MI, USA
6Hospital Ramon y Cajal, Neurology, Carretera Colmenar, Madrid, Spain
7Universitätsklinikum Tübingen, Zentrum für Neurologie, Hoppe-Seyler-Strasse, Tübingen, Germany
8VU University Medical Center, Department of Clinical Genetics and Anthropogenet, van der Boechorststraat, Amsterdam, the Netherlands
9Philipps-Universität, Neurologie, Rudolf-Bultmann-Strasse, Marburg, Germany
10Medical University of Warsaw, Neurology, Banacha, Warsaw, Poland
11Institute of Clinical Neurobiology, Kenyongasse, Vienna, Austria
12Massachusetts General Hospital, MIND/Harvard Medical School, Charlestown, MA, USA
13Institut für Neuropathologie, BrainNet (German Brain Bank), Feodor-Lynen-Strasse, Munich, Germany
14Toronto Western Hospital, Movement Disorders Center, Toronto, ON, Canada
15University of Louisville, School of Medicine/Department of Neurology, Louisville, KY, USA
16Centro de Biologica Molecular "Severo Ochoa," Universidad Autonoma de Madrid and CiberNed, Cantoblanco, Madrid, Spain
17University of British Columbia, Kinsmen Laboratory of Neurological Research, Vancouver, BC, Canada
18Mayo Clinic, Department of Neuroscience, Jacksonville, FL, USA
19National Hospital for Neurology, Dementia Research Centre, London, England
20Bundesinstitut für Arzneimittel & Medizinprodukte, Wissenschaftlicher Service/Klinische Prüfungen, Georg-Kiesinger-Allee, Bonn, Germany
21European Medicines Agency (EMEA), Scientific Advice and Orphan Drugs Sector, 7 Westferry Circus, Canary Wharf, London, England
22Guam Memorial Hospital, Neurology, Carlos Camacho Way, Tamuning, Guam
23Institut für Pathologie, Schönbeinstrasse, Basel, Switzerland
24University Hospital Rotterdam, Department of Neurology, Erasmus MC, Dr Molewaterplein, GD Rotterdam, the Netherlands
25Institut National de la Santé et de la Recherche Médicale, Unit 820, Laënnec Medical School, Lyon, France
26New York Brain Bank, Columbia University, Pathology, Babies Hospital, New York, NY, USA
27Deutsche PSP-Gesellschaft e.V. (PSP Germany), c/o S. Wagner, Könneritzstrasse, Leipzig, Germany
28Mayo Clinic, Department of Neurology, Jacksonville, FL, USA