Monthly Archives: February 2010

This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause.The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/poli… Continue reading →

The Publisher regrets that this article is an accidental duplication of an article that has already been published, DOI of original article: http://dx.doi.org/10.1053/j.gastro.2010.01.010.The duplicate article has therefore been withdrawn. Continue reading →