1 Department of Emergency Medicine, George Washington University School of Medicine & Sciences, 2120 L St NW, Suite 450, Washington, DC 20037, United States of America.
2 Department of Emergency Medicine, George Washington University School of Medicine & Sciences, 2120 L St NW, Suite 450, Washington, DC 20037, United States of America. Electronic address: jtrevino@mfa.gwu.edu.