[1] Dalian Women & Childrens Med Grp, Dalian, Peoples R China
[2] Heilongjiang Univ Chinese Med, Affiliated Hosp 2, Ha Er Bin Shi, Peoples R China
[3] Heilongjiang Univ Chinese Med, Harbin, Peoples R China
[4] Heilongjiang Univ Chinese Med, Affiliated Hosp 1, Harbin, Peoples R China
[5] Chongqing Med Univ, Banan Hosp, Chongqing, Peoples R China
[6] Heilongjiang Univ Chinese Med haerbin, Heilongjiang Univ Tradit Chinese Med, Harbin, Heilongjiang, Peoples R China