[1] Qujing Normal Univ, Coll Biol Resources & Food Engn, Qujing 655011, Peoples R China
[2] Maternal & Child Hlth & Family Planning Serv Ctr Z, Zhanyi 655331, Peoples R China
[3] First People Hosp Qujing, Dept Internal Neurol, Qujing 655000, Peoples R China
[4] Shenyang Joint Logist Support Ctr Drug Instrument, Dept Food & Drug Inspect, Shenyang 110026, Peoples R China