Du, Juan
Li, Xiangyun http://orcid.org/0000-0002-7153-7601
Wei, Ziming
Yang, Xudong
Feng, Xiaolin
Song, Haipeng
Wang, Fusheng
Song, Xiaoxiao
Funding for this research was provided by:
Civil Aviation University of China (2019CXJJ20)
Tianjin Municipal Education Commission (2019KJ136)
Article History
First Online: 20 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.