Yang, Bo
Chen, Sixiu
Wu, Ming
Zhang, Lin
Ruan, Mengna
Chen, Xujiao
Chen, Zhengjun
Mei, Changlin
Mao, Zhiguo
Article History
Received: 4 August 2016
Accepted: 29 November 2016
First Online: 3 January 2017
Change Date: 2 April 2020
Change Type: Correction
Change Details: An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Competing interests
: The authors declare no competing financial interests.