AUTHOR=Chrisman Sara P. D. , Whitlock Kathryn B. , Mendoza Jason A. , Burton Monique S. , Somers Ellie , Hsu Albert , Fay Lauren , Palermo Tonya M. , Rivara Frederick P. TITLE=Corrigendum: Pilot Randomized Controlled Trial of an Exercise Program Requiring Minimal In-person Visits for Youth With Persistent Sport-Related Concussion JOURNAL=Frontiers in Neurology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2020.00006 DOI=10.3389/fneur.2020.00006 ISSN=1664-2295