Name	Location	Contribution
Valerie Aponte Ribero, MSc	F. Hoffmann-La Roche Ltd., Basel, Switzerland	Drafting/revision of the manuscript for content, including medical writing for content; study concept or design; analysis or interpretation of data
Yasmina Martí, PhD	F. Hoffmann-La Roche Ltd., Basel, Switzerland	Drafting/revision of the manuscript for content, including medical writing for content; study concept or design; analysis or interpretation of data
Sarah Batson, PhD	Mtech Access Limited, Bicester, Oxfordshire, 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
Stephen Mitchell, PhD	Mtech Access Limited, Bicester, Oxfordshire, 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
Ksenija Gorni, MD, PhD	F. Hoffmann-La Roche Ltd., Basel, Switzerland	Drafting/revision of the manuscript for content, including medical writing for content; study concept or design; analysis or interpretation of data
Nicole Gusset, PhD	SMA Europe, Freiburg, Germany; SMA Schweiz, Heimberg, Switzerland	Drafting/revision of the manuscript for content, including medical writing for content; study concept or design; analysis or interpretation of data
Maryam Oskoui, MDCM	Departments of Pediatrics and Neurology Neurosurgery, McGill University, Montreal, Quebec, Canada	Drafting/revision of the manuscript for content, including medical writing for content; study concept or design; analysis or interpretation of data
Laurent Servais, MD, PhD	MDUK Oxford Neuromuscular Centre, Department of Paediatrics, University of Oxford, United Kingdom; Division of Child Neurology, Centre de Références des Maladies Neuromusculaires, Department of Pediatrics, University Hospital Liège & University of Liège, Liège, Belgium	Drafting/revision of the manuscript for content, including medical writing for content; study concept or design; analysis or interpretation of data
C. Simone Sutherland, PhD	F. Hoffmann-La Roche Ltd., Basel, Switzerland	Drafting/revision of the manuscript for content, including medical writing for content; study concept or design; analysis or interpretation of data