- Correspondence to Dr Patrick A Hughes, Nerve-Gut Research Laboratory, Hanson Institute, Adelaide, South Australia 5000, Australia;
- Revised June 6, 2012
- Accepted June 7, 2012
- First published July 5, 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.