Zheng, Jianming http://orcid.org/0000-0002-4928-8194
Engelhard, Mark H. http://orcid.org/0000-0002-5543-0812
Mei, Donghai
Jiao, Shuhong
Polzin, Bryant J.
Zhang, Ji-Guang http://orcid.org/0000-0001-7343-4609
Xu, Wu
Article History
Received: 9 September 2016
Accepted: 19 January 2017
First Online: 1 March 2017
Competing interests
: The authors declare no competing financial interests.