1. Department of Kinesiology, The Pennsylvania State University, University Park, Pennsylvania.
2. Concussion Neuroimaging Consortium, Florida State University, Florida; Harvard University, Massachusetts; Michigan State University, Michigan; Northwestern University, Illinois; Ohio State University, Ohio; Purdue University, Indiana; The Pennsylvania State University, Pennsylvania; University of Central Florida, Florida; University of Nebraska, Nebraska.
3. Warren Wright Adolescent Center, Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
4. Edward Hines Jr., VA Hospital, Hines, Illinois.
5. Athletic Department, The Pennsylvania State University, University Park, Pennsylvania.
6. Department of Biobehavioral Health, Molecular and Cellular Biosciences Program and Institute for the Neurosciences, The Pennsylvania State University, University Park, Pennsylvania.
7. School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana.
8. School of Mechanical Engineering, Purdue University, West Lafayette, Indiana.
9. Laboratory of Neuroimaging and Genetics, Department of Psychiatry, Massachusetts General Hospital, Boston, Massachusetts.