上海高校选拔培养优秀青年教师科研专项基金,上海交通大学医学院附属第九人民医院自然科学研究基金syz2013-006The study was supported by Shanghai University Scientific Selection and Cultivation for Outstanding Young Teachers in Special Fund,and Natural Science Research Fund of Shanghai Ninth Peoples Hospital,Shanghai Jiaotong University School of Medicine with the number of syz2013-006