Zhang, Kai
Hou, Hu
Bu, Lin
Li, Bafang
Xue, Changhu
Peng, Zhe
Su, Shiwei
Funding for this research was provided by:
Natural Science Foundation of Shandong Province (No. ZR2014CQ015)
China Postdoctoral Science Foundation (No.2012M511549)
China Postdoctoral Special Science Foundation
Applied Basic Research Programs of Qingdao (No.14-2-4-106-jch)