Xue, Y. Q.
Zheng, X. C.
Li, Y.
Brandt, W. N.
Zhang, B.
Luo, B.
Zhang, B.-B.
Bauer, F. E.
Sun, H.
Lehmer, B. D.
Wu, X.-F.
Yang, G.
Kong, X.
Li, J. Y.
Sun, M. Y.
Wang, J.-X.
Vito, F.
Article History
Received: 20 November 2018
Accepted: 6 February 2019
First Online: 10 April 2019
Competing interests
: The authors declare no competing interests.