World Gastroenterology Organisation Global Guidelines Irritable Bowel Syndrome: A Global Perspective Update September 2015. Issue 9 (October 2016) - Quigley, Eamonn M.M.; Fried, Michael; Gwee, Kok-Ann; Khalif, Igor; Hungin, A.P.S.; Lindberg, Greger; Abbas, Zaigham; Fernandez, Luis B.; Bhatia, Shobna J.; Schmulson, Max; Olano, Carolina; LeMair, Anton