Xu, Lingwei
Zhang, Hao
Funding for this research was provided by:
National Natural Science Foundation of China (61304222, 61301139)
Natural Science Foundation of Shandong Province (ZR2012FQ021)
Shandong Province Outstanding Young Scientist Award Fund (2014BSE28032)
International Science and Technology Cooperation Program of Qingdao (12-1-4-137-hz)