the National Natural Science Foundation of China, No. 30960389, 81060151, 81160236;the Joint Foundation of Yunnan Science and Technology Department and Kunming Medical University, No. 2009cd159;Yunnan Key New Product Development Projects, No. 2010BC010;the Innovation Foundation for Doctors in Kunming Medical University, No. 2011D07~~
the National Natural Science Foundation of China,No.30960389,81060151,81160236;Joint Funds of Yunnan Sci-Tech Department and Kunming Medical College,No.2009cd159;Yunnan New Key Product Development Projects,No.2010BC010;Doctor Innovation Foundation of Kunming Medical College,No.2011D07~~