Sun, Shang-qu
Li, Li-ping http://orcid.org/0000-0003-0947-757X
Li, Shu-cai
Zhang, Qian-qing
Hu, Cong
Funding for this research was provided by:
National Natural Science Foundation of China (51139004)
Natural Science Foundation of Shandong Province of China (ZR2010EQ033)
Shandong Province Postdoctoral Special Funds for Innovative Projects (201002032)