Liang, Linfeng
Liu, Caiping
Jiang, Feilong
Chen, Qihui
Zhang, Linjie
Xue, Hui
Jiang, Hai-Long http://orcid.org/0000-0002-2975-7977
Qian, Jinjie http://orcid.org/0000-0002-9996-7929
Yuan, Daqiang http://orcid.org/0000-0003-4627-072X
Hong, Maochun
Article History
Received: 5 January 2017
Accepted: 22 August 2017
First Online: 1 November 2017
Competing interests
: The authors declare no competing financial interests.