海南省自然科学基金814361;海南省医学科研课题琼卫2013资助-054号;海南省医药卫生科研项目14A200004;海口市重点科技计划项目海科工信立[2014]66号;Natural Science Foundation of Hainan Province814361;Medicine Science Program of Hainan ProvinceQW2013 ZZ-054;Medical Research Program of Hainan Province14A200004;Key Science and Technology Program of Haikou CityHKGXL[2014]66