PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/fg.2010.000521 DP - 2011 Jul 01 TA - Frontline Gastroenterology PG - 150--150 VI - 2 IP - 3 4099 - http://fg.bmj.com/content/2/3/150.short 4100 - http://fg.bmj.com/content/2/3/150.full SO - Frontline Gastroenterol2011 Jul 01; 2