Huang, Baorui
Cheng, Yuan
Usa, Kristie
Liu, Yong
Baker, Maria Angeles
Mattson, David L.
He, Yongcheng
Wang, Niansong
Liang, Mingyu
Article History
Received: 3 September 2015
Accepted: 3 February 2016
First Online: 26 February 2016
Competing interests
: The authors declare no competing financial interests.