河南省医学科技攻关计划省部共建项目2011010016;国家十二五科技重大专项2012ZX10001-006;河南省疾病预防控制中心科研基金课题;河南省防治艾滋病规模化现场流行病学和干预研究2012ZX10004905@@@@ Medical science and technology research programs and Province Ministry Project in Henan 2011010016;National2012ZX10001-006;Henan CDC research fund project;Scale epidemiological studies and intervention of Aids-Prevention in Henan Province2012ZX10004905