- Correspondence to Dr Patrick N Breysse, Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, 615N. Wolfe St, Baltimore, Maryland 21205, USA;
- Received November 2, 2011
- Accepted July 29, 2012
- First published September 4, 2012.
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.