- Received September 23, 2011, and in revised form February 1, 2012.
- Accepted for publication February 1, 2012.
- Reprints: Chad Kessler, MD, FACEP, FAAEM, Department of Emergency Medicine, Jesse Brown Veteran’s Administration Medical Hospital, 1449 S Peoria St, Chicago, IL 60608. E-mail: .
- A portion of this work was supported by Boehringer-Ingelheim Pharmaceuticals, Inc (BIPI).
- The authors meet the criteria for authorship as recommended by the International Committee of Medical Journal Editors and are fully responsible for all content and editorial decisions, and they were involved in all stages of manuscript development. The authors received no compensation related to the development of the manuscript.
- First published December 15, 2015.
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