[1] Peking Univ, Hlth Sci Ctr, Key Lab Carcinogenesis & Translat Res, Dept Pathol,Minist Educ,Sch Basic Med Sci, Beijing 100871, Peoples R China
[2] Peking Univ, Hlth Sci Ctr, Key Lab Carcinogenesis & Translat Res, Dept Anat Histol & Embryol,Minist Educ,Sch Basic, Beijing 100871, Peoples R China
[3] Cleveland Clin, Pathol & Lab Med Inst, Cleveland, OH 44106 USA
[4] Shihezi Univ, Sch Med, Minist Educ, Dept Histol & Embryol, Shihezi, Xinjiang, Peoples R China
[5] Shihezi Univ, Sch Med, Minist Educ, Key Lab Xinjiang Endem & Ethn Dis, Shihezi, Xinjiang, Peoples R China