[1] Icahn Sch Med Mt Sinai, New York, NY 10029 USA
[2] Univ N Carolina, Ctr Gastrointestinal Biol & Dis, Chapel Hill, NC 27515 USA
[3] Northwestern Univ, Feinberg Sch Med, Chicago, IL 60611 USA
[4] Med Univ Vienna, Vienna, Austria
[5] Hosp Clin Barcelona, IDIBAPS, CIBERehd, Barcelona, Catalonia, Spain
[6] Pfizer Inc, Collegeville, PA USA