Lu, Nianpeng
Zhang, Pengfei
Zhang, Qinghua
Qiao, Ruimin
He, Qing
Li, Hao-Bo
Wang, Yujia
Guo, Jingwen
Zhang, Ding
Duan, Zheng
Li, Zhuolu
Wang, Meng
Yang, Shuzhen
Yan, Mingzhe
Arenholz, Elke
Zhou, Shuyun
Yang, Wanli
Gu, Lin
Nan, Ce-Wen
Wu, Jian
Tokura, Yoshinori
Yu, Pu
Article History
Received: 11 October 2016
Accepted: 12 April 2017
First Online: 31 May 2017
Competing interests
: The authors declare no competing financial interests.