1Leeds Gastroenterology Institute, St James's University Hospital, Leeds, UK
2Leeds Institute of Biomedical and Clinical Sciences, University of Leeds, Leeds, UK
3Division of Gastroenterology and Hepatology, Department of Medicine, Houston Methodist Hospital, Houston, Texas, USA
4Dartmouth-Hitchcock Medical Center, Gastroenterology, Lebanon, New Hampshire, USA
5The Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
6Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
7Digestive Health Associates of Texas, Baylor University Medical Center, Dallas, Texas, USA
8Division of Gastroenterology at Cedars-Sinai, University of Southern California, Los Angeles, Califoria, USA
9Department of Gastroenterology, VA Greater Los Angeles Healthcare System, Los Angeles, California, USA
10Division of Gastroenterology, McMaster University, Health Sciences Center, Hamilton, Ontario, Canada
Correspondence: Alexander C Ford, MBChB, MD, Leeds Gastroenterology Institute, St James's University Hospital, Beckett Street, Room 125, 4th Floor, Bexley Wing, Leeds LS9 7TF UK. E-mail: [email protected]
Received 25 February 2014; accepted 29 April 2014
Guarantor of the article: Alexander C. Ford, MBChB, MD.
Specific author contributions: A.C.F., E.M.M.Q., B.E.L., A.J.L., Y.A.S., L.R.S., E.E.S., B.M.R.S., and P.M. conceived the study. A.C.F. and P.M. collected all data, analyzed and interpreted the data. A.C.F. drafted the manuscript. All authors commented on drafts of the paper. All authors have approved the final draft of the manuscript.
Financial support: This work was supported by American College of Gastroenterology.
Potential competing interests: None.
