Chen, Minhui http://orcid.org/0000-0001-5684-2504
Su, Guosheng
Fu, Jinluan
Zhang, Qin
Wang, Aiguo
Sandø Lund, Mogens
Guldbrandtsen, Bernt http://orcid.org/0000-0003-1764-135X
Article History
Received: 22 May 2017
Accepted: 18 September 2017
First Online: 13 October 2017
Competing Interests
: The authors declare that they have no competing interests.