Fan, Yonglei
Rui, Xiaoping
Poslad, Stefan
Zhang, Guangyuan
Yu, Tian
Xu, Xijie
Song, Xianfeng
Article History
Received: 8 January 2019
Revised: 22 August 2019
Accepted: 26 September 2019
First Online: 8 October 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.