Reply to: Comment on "Summing MDS-UPDRS Parts 1 + 2 (Non-motor and Motor Experience of Daily Living): The Patient's Voice"

Affiliations

• ¹ Department of Neurological Sciences, Rush University Medical Center, Chicago, Illinois, USA.
• ² Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
• ³ University College London Institute of Neurology, University College London, London, United Kingdom.
• ⁴ Ottawa Hospital Research Institute, University of Ottawa Brain and Mind Research Institute, Division of Neurology, Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada.
• ⁵ Department of Biostatistics and Bioinformatics, Duke University, Durham, North Carolina, USA.