[1] Summa Health System,Department of Medicine
[2] Northeast Ohio Medical University,Department of Medicine
[3] MetroHealth Medical Center,Division of Gastroenterology, Union Hospital, Tongji Medical College
[4] Case Western Reserve University,Division of Gastroenterology & Hepatology
[5] Huazhong University of Science and Technology,undefined
[6] MetroHealth Medical Center,undefined
[7] Case Western Reserve University,undefined