Name	Location	Contribution
Gregory F. Guzauskas, MSPH, PhD	The Comparative Health Outcomes, Policy, and Economics Institute, Department of Pharmacy, University of Washington, Seattle, WA and HCD Economics, Daresbury; Huntington's Disease Centre, UCL Queen Square Institute of Neurology, London, United Kingdom	Drafting/revision of the manuscript for content, including medical writing for content; major role in the acquisition of data; study concept or design; analysis or interpretation of data
Sarah J. Tabrizi, MD, PhD	The University of Iowa Health Care, Iowa City, IA	Drafting/revision of the manuscript for content, including medical writing for content; study concept or design; analysis or interpretation of data
Jeffrey D. Long, PhD	European Huntington Association, Moerbeke Waas, Belgium	Drafting/revision of the manuscript for content, including medical writing for content; study concept or design; analysis or interpretation of data
Astri Arnesen	Clinical Department, CHDI Management/CHDI Foundation, Princeton, NJ	Drafting/revision of the manuscript for content, including medical writing for content; analysis or interpretation of data
Jamie L. Hamilton, PhD	Department of Neurology, Vanderbilt University Medical Center, Nashville, TN	Drafting/revision of the manuscript for content, including medical writing for content; analysis or interpretation of data
Daniel O. Claassen, MD	HCD Economics, Daresbury, United Kingdom	Drafting/revision of the manuscript for content, including medical writing for content; analysis or interpretation of data
Lorraine R. Munetsi, MSc	Huntington's Disease Centre, UCL Queen Square Institute of Neurology, London, United Kingdom	Major role in the acquisition of data; study concept or design; analysis or interpretation of data
Shahid Malik, MSc	Huntington's Disease Centre, UCL Queen Square Institute of Neurology, London, United Kingdom	Major role in the acquisition of data; study concept or design; analysis or interpretation of data
Idaira Rodríguez-Santana, PhD	Huntington's Disease Centre, UCL Queen Square Institute of Neurology, London, United Kingdom	Drafting/revision of the manuscript for content, including medical writing for content; analysis or interpretation of data
Talaha M. Ali, MD	uniQure Inc., Lexington, MA	Drafting/revision of the manuscript for content, including medical writing for content; study concept or design; analysis or interpretation of data
Frank Zhang, MD, MPH	uniQure Inc., Lexington, MA	Drafting/revision of the manuscript for content, including medical writing for content; study concept or design