Zhejiang Univ;
Canc Inst;
Key Lab Canc Prevent & Intervent;
China Natl Minist Educ;
Key Lab Mol Biol Med Sci;
Hangzhou 310009;
Zhejiang;
Peoples R China;
Zhejiang Univ;
Affiliated Hosp 2;
Sch Med;
Hangzhou 310009;
Zhejiang;
Peoples R China;
Hangzhou First Peoples Hosp;
Dept Cardiothorac Surg;
Hangzhou 310006;
Zhejiang;
Peoples R China;
Capella Univ;
Sch Publ Serv Leadership;
Dept Hlth Adm Publ Hlth & Gerontol;
Minneapolis;
MN 55403 USA;
St Louis Univ;
Sch Publ Hlth;
Dept Community Hlth;
St Louis;
MO 63104 USA;
Western Kentucky Univ;
Coll Hlth & Human Serv;
Dept Publ Hlth;
Bowling Green;
KY 42101 USA;
Serum; M2-pyruvate; kinase; Colorectal; cancer; screening; Serum; biomarker; Carcinoembryonic; antigen;