国家自然科学基金(30270364、30572080);军队医药卫生科研基金“十五”面上课题(04M021);总后勤部卫生部专项研究项目(06Z043)和总后勤部卫生部科技攻关项目(06G036).
Supported by National Natural Science Foundation of China(30270364,30572080),General Program of Medical Science Research Foundation of the PLA(04M021),and Key Project Medical Science Research Foundation of the PLA(06Z043) and