- Correspondence to Professor Keith T Wilson, Division of Gastroenterology, Hepatology, and Nutrition, Vanderbilt University School of Medicine, MRBIV, Room 1030C, 2215 Garland Avenue, Nashville, TN 37232, USA;
- Revised January 26, 2011
- Accepted February 1, 2011
- First published February 25, 2011.
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