1 Division of Digestive and Liver Diseases, Irving Cancer Research Center, Columbia University Medical Center, New York, NY, USA.
2 Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, China.
3 Department of Gastroenterology, Fujian Medical University Union Hospital, Fujian, China.
4 Institute for Cancer Genetics, Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians & Surgeons, Columbia University Irving Medical Center, New York, NY, USA.
5 Institute for Genomic Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA.
6 Department of Pathology and Cell Biology, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA.
7 Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.
8 Division of Surgical Science, Department of Surgery, Columbia University Irving Medical Center, New York, NY, USA.
9 Division of Digestive and Liver Diseases, Irving Cancer Research Center, Columbia University Medical Center, New York, NY, USA. tcw21@cumc.columbia.edu.