| Institution: | 1. Department of Otolaryngology, Cheng Hsin General Hospital, Taipei, Taiwan;2. Departments of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan;3. Department of Pathology, Taipei Veterans General Hospital, Taipei, Taiwan;4. School of Medicine, National Yang-Ming University, Taipei, Taiwan;1. Department of Surgery, State University of New York, Downstate Medical Center Brooklyn, New York;2. Department of Surgery, Kings County Medical Center Brooklyn, New York;1. Department of Gastroenterology, Kaiser Permanente, San Francisco, California;2. Division of Research, Kaiser Permanente Northern California, Oakland, California;1. Department of Gastroenterology and Hepatology, Kantonsspital, St. Gallen, Switzerland;2. Institute of Pathology, University Hospital, Zürich, Switzerland |
