Liu, Haoyang http://orcid.org/0000-0003-3891-9066
Wang, Zhi-Gang http://orcid.org/0000-0002-3461-4014
Liu, Shu-Lin http://orcid.org/0000-0002-1043-4238
Yao, Xihui http://orcid.org/0000-0001-8040-1848
Chen, Yun http://orcid.org/0000-0002-5984-7455
Shen, Shirley http://orcid.org/0000-0003-1360-5634
Wu, Yu http://orcid.org/0000-0002-1942-372X
Tian, Weiqun http://orcid.org/0000-0002-8470-8801
Funding for this research was provided by:
China Scholorship Council (NO.201208420587)
Article History
Received: 4 May 2018
Accepted: 2 August 2018
First Online: 10 August 2018
Compliance with ethical standards
:
: The authors declare no conflict of interests.