1. Movement Disorders Clinic, Neuroscience Department Hospital Universitario CEMIC, Centro de Educación Médica e Investigaciones Clínicas “Norberto Quirno” Buenos Aires Argentina
2. Morton and Gloria Shulman Movement Disorder Unit & E.J. Safra Parkinson Disease Program, Division of Neurology/Department of Medicine, Toronto Western Hospital University Health Network Toronto Ontario Canada
3. Krembil Brain Institute, University Health Network Toronto Ontario Canada
4. Brain Health Imaging Centre, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health University of Toronto Toronto Ontario Canada
5. Department of Nuclear Medicine University of Cologne Cologne Germany
6. Department of Neurology University of Cologne Cologne Germany
7. Department of Clinical and Experimental Medicine University of Pisa Pisa Italy
8. Department of Neurology Medical University Innsbruck Innsbruck Austria
9. Clinical Neurosciences University of Turku and Turku University Hospital Turku Finland
10. Movement Disorders Section, Department of Neurology, Fleni Buenos Aires Argentina
11. Institut du Cerveau–ICM, Team “Movement Investigations and Therapeutics,” Centre de NeuroImagerie de Recherche–CENIR, Neuroradiology Department Paris France
12. Sorbonne Université, INSERM U, Institut national de la santé et de la recherche médicale 1127, National Centre for Scientific Research, Unité mixte de recherche 7225 Paris France
13. Department of Neuroradiology Pitié‐Salpêtrière Hospital, Assistance Publique–Hôpitaux de Paris Paris France