[1] China Med Univ, Pancreat Endocrinol Ward, Dept Gen Surg, Shengjing Hosp, Shenyang, Peoples R China
[2] China Med Univ, Affiliated Hosp 4, Dept Gastroenterol, Shenyang, Peoples R China
[3] Beijing ChosenMed Clin Lab Co Ltd, Beijing, Peoples R China
[4] Chinese Acad Sci, Comp Network Informat Ctr, Beijing, Peoples R China
[5] Univ Chinese Acad Sci, Beijing, Peoples R China