He, Kai http://orcid.org/0000-0003-4666-1800
Zhang, Sen
Li, Jing
Yu, Xiqian http://orcid.org/0000-0001-8513-518X
Meng, Qingping
Zhu, Yizhou
Hu, Enyuan
Sun, Ke
Yun, Hongseok
Yang, Xiao-Qing
Zhu, Yimei
Gan, Hong
Mo, Yifei http://orcid.org/0000-0002-8162-4629
Stach, Eric A. http://orcid.org/0000-0002-3366-2153
Murray, Christopher B.
Su, Dong http://orcid.org/0000-0002-1921-6683
Article History
Received: 28 November 2015
Accepted: 29 March 2016
First Online: 9 May 2016
Competing interests
: The authors declare no competing financial interests.