Liu, Jie
Zhang, Hantang
Dong, Huanli
Meng, Lingqiang
Jiang, Longfeng
Jiang, Lang
Wang, Ying
Yu, Junsheng
Sun, Yanming
Hu, Wenping
Heeger, Alan J.
Article History
Received: 28 May 2015
Accepted: 27 October 2015
First Online: 1 December 2015
Competing interests
: The authors declare no competing financial interests.