[1] Univ Coll Cork, APC Microbiome Inst, Cork, Ireland
[2] Univ Coll Cork, Dept Psychiat & Neurobehav Sci, Cork, Ireland
[3] Univ Coll Cork, Dept Anat & Neurosci, Cork, Ireland
[4] Houston Methodist Hosp, Lynda K & David M Underwood Ctr Digest Disorders, Div Gastroenterol & Hepatol, Houston, TX USA
[5] Weill Cornell Med Coll, Houston, TX USA