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*Clinical Outcomes Research, Intermountain Healthcare, Salt Lake City, Utah; †Department of Family Medicine, University of Colorado, Denver, Colorado; ‡CJW Sports Medicine, Richmond, Virginia; §Anne Arundel Medical Center, Orthopedic and Sports Medicine Center, Annapolis, Maryland; ¶Missouri State University, Springfield, Missouri; ‖Department of Emergency Medicine, University of Colorado, Aurora, Colorado; **Big Island Family Medicine Center, Lynchburg, Virginia; and ††Longs Peak Sports Medicine, Longmont, Colorado.
PM R 2012 Dec;4(12):1006-14
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Department of Pathology and Laboratory Medicine, Loma Linda University Medical Center, Loma Linda, CA 92354, USA.