Wang, Shuai-Shuai
Zhang, Wei
Zhang, Yuan-Qiang
Zhao, Yunpeng
Liu, Yi
Li, Jing-kun
Zhang, Hao-xuan
Cheng, Lei
Nie, Lin
Funding for this research was provided by:
the Natural Science Foundation of Shandong Province (ZR2013HM095)
National Natural Science Foundation of China (81572191, 81501880)