Authors: Chaysavanh Manichanh; Anat Eck; Encarna Varela; Joaquim Roca; José C Clemente; Antonio González; Dan Knights; Rob Knight; Sandra Estrella; Carlos Hernandez; Denis Guyonnet; Anna Accarino; Javier Santos; Juan-R Malagelada; Francisco Guarner; Fernando Azpiroz Journal: Gut Date: 2013-06-13 Impact factor: 23.059