- Correspondence to Dr Kyle Fischer, Department of Emergency Medicine, Center for Nonviolence & Social Justice, Drexel University College of Medicine, Mail Stop 1011, 245 N. 15th Street, Philadelphia, PA 19102, USA; ,
- Received October 22, 2013
- Revised February 4, 2014
- Accepted March 26, 2014
- First published April 15, 2014.
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