1Division of Gastroenterology, Evergreen General Hospital, Taoyuan, Taiwan.
2Department of Gastroenterology and Hepatology, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan; School of Medicine, Chang Gung University, Taoyuan, Taiwan.
3Division of Gastroenterology and Hepatology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
4Division of Gastroenterology, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chiayi, Taiwan.
5Division of Gastroenterology, Department of Medicine, Sepulveda Ambulatory Care Center, Veterans Affairs Greater Los Angeles Healthcare System and David Geffen School of Medicine at UCLA, California, United States.
aCorrespondence: Chi-Liang Cheng, MD Division of Gastroenterology, Evergreen General Hospital Taoyuan, Taiwan. E-mail: [email protected]
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