- Correspondence to Dr April M Young, Center on Drug and Alcohol Research, University of Kentucky, College of Medicine, 333 Waller Avenue, Lexington, Kentucky 40504, USA;
- Received January 28, 2014
- Revised March 7, 2014
- Accepted March 11, 2014
- First published April 1, 2014.
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.