Wang, Jie
Tang, Jing
Ding, Bing
Malgras, Victor
Chang, Zhi
Hao, Xiaodong
Wang, Ya
Dou, Hui
Zhang, Xiaogang
Yamauchi, Yusuke
Article History
Received: 13 September 2016
Accepted: 24 April 2017
First Online: 12 June 2017
Competing interests
: The authors declare no competing financial interests.