- Correspondence to Dr Jon S Vernick, Johns Hopkins Center for Gun Policy and Research, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA;
- Received August 28, 2015
- Accepted September 1, 2015
- First published September 21, 2015.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.