Cui, Sheng-Jie
Fu, Yu
Liu, Yan
Kou, Xiao-Xing
Zhang, Jie-Ni
Gan, Ye-Hua
Zhou, Yan-Heng
Wang, Xue-Dong
Funding for this research was provided by:
National Natural Science Foundation of China (81671015)
National Natural Science Foundation of China (81571815)
National Natural Science Foundation of China (81470717)
Natural Science Foundation of Beijing Municipality (Z171100001017128)
Article History
Received: 11 February 2018
Revised: 23 August 2018
Accepted: 28 August 2018
First Online: 20 February 2019
Competing interests
: The authors declare no competing interests.