Ma, Lingjuan
Ma, Hongbin
Gao, Nanxing
Wang, Jiaomei
Zhang, Xuqin
Funding for this research was provided by:
The National Natural Science Foundation of China (21403124)
Natural Science Fundation of Shandong Province (ZR2014JL014)
Project of Shandong Province Higher Educational Science and Technology Program (J11LB06)
National Innovation and Entrepreneurship Training Program for Undergraduates (201410446020)