Lai, Pinling
Song, Qiancheng
Yang, Cheng
Li, Zhen
Liu, Sichi
Liu, Bin
Li, Mangmang
Deng, Hongwen
Cai, Daozhang
Jin, Dadi
Liu, Anling
Bai, Xiaochun
Article History
Received: 4 May 2016
Revised: 3 July 2016
Accepted: 5 July 2016
First Online: 13 October 2016
Competing interests
: The authors declare no conflict of interest.