Zhong, Chengyong http://orcid.org/0000-0003-4298-3124
Chen, Yuanping
Yu, Zhi-Ming
Xie, Yuee
Wang, Han http://orcid.org/0000-0002-7476-6012
Yang, Shengyuan A. http://orcid.org/0000-0001-6003-1501
Zhang, Shengbai
Article History
Received: 8 October 2016
Accepted: 14 April 2017
First Online: 5 June 2017
Competing interests
: The authors declare no competing financial interests.