中国湖北省武汉市,华中科技大学同济医学院附属同济医院2008年新技术新业务基金资助项目2008006;中国湖北省武汉市科技攻关课题 No.200852199600New Technology and New Business Foundation in 2008, Affiliated Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology,China2008006;Key Science and Technology Programme of Wuhan City, Hubei Province,China200852199600