Concussed athletes walk slower than non-concussed athletes during cognitive-motor dual-task assessments but not during single-task assessments 2 months after sports concussion: a systematic review and meta-analysis using individual participant data
Fionn Büttner, David R Howell, Clare L Ardern, Cailbhe Doherty, Catherine Blake, John Ryan, Robert Catena, Li-Shan Chou, Peter Fino, Coralie Rochefort, Heidi Sveistrup, Tonya Parker, Eamonn Delahunt
British Journal of Sports Medicine Jan 2020, 54 (2) 94-101; DOI: 10.1136/bjsports-2018-100164