Chen, Guantao
Gao, Yuping
Shan, Songling
Wang, Guanghui
Wu, Jianliang
Funding for this research was provided by:
Independent Innovation Foundation of Shandong University (IFYT 14013)
China Scholarship Council (201406220192)
National Natural Science Foundation of China (11271006)
National Natural Science Foundation of China (11471193)
National Youth Foundation of China (11401386,11501316)
Shandong Provincial Natural Science Foundation of China (ZR2014AQ001)