1 Department of Biological and Vision Sciences, State University of New York College of Optometry, New York, NY, United States of America.
2 Indiana University School of Optometry, United States of America.
3 Divisions of Orthopedics and General Pediatrics, The Children's Hospital of Philadelphia, 3400 Civic Center Boulevard, Philadelphia, PA 19104, United States of America; Perelman School of Medicine, University of Pennsylvania, Children's Hospital of Philadelphia, Philadelphia, PA, United States of America; Center for Injury Research and Prevention, The Children's Hospital of Philadelphia, Philadelphia, PA, United States of America.
4 Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States of America; Department of Biomedical Engineering, Georgia Institute of Technology, Emory University School of Medicine, Atlanta, GA, United States of America.