1 Department of Gastroenterology and Hepatology, New Taipei Municipal Tucheng Hospital, New Taipei City, Taiwan; Department of Gastroenterology and Hepatology, Linkou Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, Taiwan.
2 Department of Anatomic Pathology, New Taipei Municipal Tucheng Hospital, New Taipei City, Taiwan.
3 Department of Pulmonary and Critical Care Medicine, New Taipei Municipal Tucheng Hospital, New Taipei City, Taiwan; Department of Thoracic Medicine, Linkou Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, Taiwan.