1 Movement Disorders Unit, Neurology Service, Internal Medicine Department, The Federal University of Minas Gerais, Belo Horizonte, Brazil.
2 Department of Neurological Sciences, Rush University Medical Center, Chicago, Illinois, USA.
3 Ottawa Hospital Research Institute; University of Ottawa Brain and Mind Research Institute; Division of Neurology, Department of Medicine, University of Ottawa, The Ottawa Hospital Ottawa, Ottawa, Ontario, Canada.
4 CHDI Management/CHDI Foundation, Princeton, New Jersey, USA.
5 Laboratory of Clinical Pharmacology and Therapeutics, Faculty of Medicine, University of Lisbon, Lisbon, Portugal.
6 Department of Neurology, Mayo Clinic College of Medicine, Mayo Clinic Arizona, Phoenix, Arizona, USA.
7 Department of Neurology, University Hospital Schleswig-Holstein, Campus Kiel and Christian Albrechts-University of Kiel, Kiel, Germany.
8 Radboud University Medical Center, Donders Institute for Brain, Cognition, and Behavior, Department of Neurology, Center of Expertise for Parkinson and Movement Disorders, Nijmegen, The Netherlands.
9 Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom.
10 UAB Libraries, The University of Alabama at Birmingham, Birmingham, Alabama, USA.
11 Department of Neurodegeneration, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany. German Center for Neurodegenerative Diseases, Tübingen, Germany.
12 Institute of Neurogenetics, University of Lübeck, Lübeck, Germany.
13 Department of Neurology, Expertise Centre Movement Disorders, University Medical Centre Groningen, Groningen, The Netherlands.
14 Edmond J. Safra Program in Parkinson's Disease, University Health Network and the University of Toronto, Toronto, Ontario, Canada.
15 Division of Neurology, Department of Medicine, and the Mah Pooi Soo and Tan Chin Nam Centre for Parkinson's and Related Disorders, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.
16 Parkinson and Other Movement Disorders Center, Department of Neurosciences, University of California San Diego, La Jolla, California, USA.
17 CHU Bordeaux, Service de Neurologie des Maladies Neurodégénératives, Bordeaux, France.
18 Univ. Bordeaux, CNRS, IMN, Bordeaux, France.
19 Department of Medicine, University of Otago, Christchurch, and New Zealand Brain Research Institute, Christchurch, New Zealand.
20 Department of Neurology, University Medical Center, Kassel, Germany.
21 Neurology Unit, Department of Medicine, Faculty of Clinical Sciences, College of Medicine, University of Lagos, Lagos, Nigeria.
22 Adelaide Lackner Professor of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida Health, Gainsville, Florida, USA.
23 Department of Neurology, McGill University, Montreal Neurological Institute, Montreal, Quebec, Canada.
24 Section of Neurology, Karolinska Institutet, Stockholm, Sweden.
25 National Neuroscience Institute, Singapore.
26 Department of Neurology, Juntendo University Faculty of Medicine, Tokyo, Japan.
27 International Parkinson and Movement Disorder Society, Milwaukee, Wisconsin, USA.
28 Movement Disorders Unit, Institute of Neuroscience, Favaloro Foundation University Hospital, Buenos Aires, Argentina.
29 Cognitive Neuroscience Laboratory, Institute of Cognitive Neurology (INECO), Buenos Aires, Argentina.
30 Movement Disorders Unit, Department of Neurology, Westmead Hospital and Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia.
31 Paracelsus-Elena Klinik, Kassel, Germany.
32 Department of Neurosurgery, University Medical Center, Goettingen, Germany.