* Head of Neuropsychology Service, Waukesha Memorial Hospital, Waukesba, Wisconsin
† Director, Brain Injury Program, Rehabilitation Institute of Chicago, Chicago, Illinois
‡ Associate Professor of Neurology, Private Practice, Loyola University Medical Center, Chicago, Illinois
§ Employer and Community Health Services Leader, Covenant Medical Center, Waterloo, Iowa
∥ Assistant Professor of Psychiatry, Allegheny University of the Health Sciences, Philadelphia, Pennsylvania
¶ Director of Sports Medicine, Bates College, Leiviston, Maine
# Assistant Athletic Trainer, University of Wisconsin-Platteville, Platteville, Wisconsin