Author Affiliations: Department of Emergency Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Flickinger, Prescott, Dr Callaway); Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Elmer); Department of Emergency Medicine, Guthrie Robert Packer Hospital, Sayer, Pennsylvania (Dr Rittenberger); Cardiopulmonary Rehabilition, UPMC, Pittsburgh, Pennsylvania (Ledyard); Department of Biomedical Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania (Prescott); Emergency Medicine, Geisinger Commonwealth School of Medicine, Pittsburgh, Pennsylvania (Dr Rittenberger); and Department of Neurology, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Elmer).

Correspondence: Katharyn L. Flickinger, MS, PhD, Department of Emergency Medicine, University of Pittsburgh, 3600 Forbes Ave, Suite 400A, Pittsburgh, PA 15261 ([email protected]).