[1]Jilin Univ, Hosp 1, Dept Infect Dis, Changchun 130023, Peoples R China.
[2]Univ Oklahoma, Hlth Sci Ctr, Pediat Genet Lab, Oklahoma City, OK USA.
[3]Jilin Univ, Coll Life Sci, Key Lab Mol Enzymol & Engn, Changchun 130023, Peoples R China.