Fu, Ying
Wei, Dayong
Dong, Hongli
He, Yajun
Cui, Yixin
Mei, Jiaqin
Wan, Huafang
Li, Jiana
Snowdon, Rod
Friedt, Wolfgang
Li, Xiaorong
Qian, Wei
Article History
Received: 7 April 2015
Accepted: 26 August 2015
First Online: 23 September 2015
Competing interests
: The authors declare no competing financial interests.