1. Neurological Diseases Group, Postgraduate Program in Internal Medicine, Internal Medicine Department, Hospital de Clínicas, Federal University of Paraná, Curitiba, Brazil
2. School of Health Sciences, Autonomous University of Brazil, Curitiba, Brazil
3. Ergonomics Laboratory, Federal University of Technology of Paraná, Curitiba, Brazil
4. Movement Disorders Unit, Neurology Service, Internal Medicine Department, Hospital de Clínicas, Curitiba, Brazil
5. Association of Patients with Parkinson’s Disease of Paraná, Curitiba, Brazil
6. Gloria and Morton Shulman Movement Disorders Centre, Toronto Western Hospital, University of Toronto, Toronto, Canada