北京市医院管理局临床医学发展专项经费资助(No.ZYLX201411),北京市卫生系统高层次卫生技术人才培养计划(No.2011-2-13),国家"十一五"科技支撑计划课题(No.2007BAI20B092) Clinical Medicine Development Special Funds of Beijing Municipal Administration of Hospital (No.ZYLX201411), Beijing Health System High Level Personal Technology Training Program (No.2011-2-13), National Eleventh Five-Year Plan to Support the National Science and Technology of China (No.2007BAI20B092)