- Correspondence to Dr John Hickner, Family Medicine, University of Illinois at Chicago School of Medicine, Chicago, IL 60612, USA;
- Received December 24, 2014
- Revised August 3, 2015
- Accepted September 20, 2015
- First published October 14, 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.