1. Sydney School of Health Sciences, Faculty of Medicine and Health; The University of Sydney; Sydney Australia
2. Movement Disorders and Parkinson's Disease Clinic; Roberto Santos General Hospital; Salvador Brazil
3. Motor Behavior and Neurorehabilitation Research Group; Bahiana School of Medicine and Public Health; Salvador Brazil
4. Raboud University Medical Centre; Donders Institute for Brain, Cognition and Behaviour; Department of Neurology; Centre of Expertise for Parkinson & Movement Disorders; Nijmegen Netherlands
5. Department of Neurology; Radboud University Nijmegen Medical Center; Nijmegen Netherlands
6. Quality and Improvement; OLVG; Amsterdam Netherlands
7. Division of Physiotherapy, Department of Neurobiology; Care Sciences and Society, Karolinska Institutet; Huddinge Sweden
8. Department of Women's and Children's Health, Physiotherapy; Uppsala University; Uppsala Sweden
9. Department of Rehabilitation Sciences; KU Leuven; Leuven Belgium
10. Masters and Doctoral Programs in Physical Therapy; Universidade Cidade de São Paulo; São Paulo Brazil
11. Institute for Musculoskeletal Health, School of Public Health, Faculty of Medicine and Health; The University of Sydney; Sydney Australia