1. Department of Neurology Kiel University and University Hospital Schleswig‐Holstein Kiel Germany
2. Translational and Clinical Research Institute Campus for Ageing and Vitality Newcastle University Newcastle Upon Tyne United Kingdom
3. Department of Medicine, Faculty of Medicine, Chulalongkorn Center of Excellence for Parkinson's Disease & Related Disorders Chulalongkorn University and King Chulalongkorn Memorial Hospital Bangkok Thailand
4. Department of Neurology, Gardner Center for Parkinson's Disease and Movement Disorders University of Cincinnati Cincinnati Ohio USA
5. HM CINAC, Hospital Universitario HM Puerta del Sur Madrid Spain