Supported by the National Natural Science Foundation of China(31300601);the PUMC Youth Fund(33320140186);the Natural Science Foundation of Hebei Province(C2015205212);the Research Funding of Hebei Normal University(L2012Z12)~~
Supported by National Natural Science Foundation of China(No.31300601);PUMC Youth Fund(No.33320140186);Natural Science Foundation of Hebei Province(No.C2015205212);Research Funding of Hebei Normal University(No.L2012Z12)~~