Chen, Weihong
Zheng, Xiuwen
Li, Shulian
Zhang, Wei
Wen, Xin
Yue, Ludan
Wang, Jinlong
Funding for this research was provided by:
National Natural Science Foundation of China (CN) (201405074, 21375057)
Shandong Province Natural Science Foundation (ZR2013BL007)
National undergraduate training programs for innovation and entrepreneurship (201410452006)