国家自然科学基金资助项目,Nos.81260323,81502556 云南省科技厅-昆明医科大学联合基金资助项目,Nos.2012FB095,2014FB088 云南省中青年学术技术带头人后备人才培养基金资助项目,No.2013HB083 云南省卫生厅基金资助项目,No.2014N272 National Natural Science Foundation of China,Nos.81260323 and 81502556%Science and Technology Department of Yunnan Province-Kunming Medical University Joint Foundation,Nos.2012FB095 and 2014FB088%Young Academic Talents Cultivation Foundation of Yunnan Province,No.2013HB083%the Foundation of Health and Family Planning Commission of Yunnan Province,No.2014N272