作者单位:Department of Cardiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United[1]Department of Gastroenterology, Hospital Clínico, Universidad de Zaragoza, Zaragoza, Spain[2]Department of Cardiology, Radboud University, Nijmegen Medical Center, PO Box 9101, 6500 HB[3]Department of Gastroenterology and Hepatology, University Medical Center Utrecht, Utrecht[4]