1AntiCancer, Inc., San Diego, CA, U.S.A.
2Department of Surgery, University of California, San Diego, CA, U.S.A.
3Department of Gastrointestinal Surgery 2 Section, The First Hospital Affiliated to Fujian Medical University, Fuzhou, P.R. China
4Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, P.R. China