Xue, Gang
Liu, Shifeng
Gong, Daqing
Ma, Yicao
Funding for this research was provided by:
Natural Science Foundation of Beijing Municipality (19JDGLA002)
Foundation for Distinguished Young Talents in Higher Education of Henan (19YJC630043)
the National Natural Science Foundation (J1824031)
Article History
Received: 4 June 2020
Accepted: 24 July 2020
First Online: 3 August 2020
Compliance with ethical standards
:
: The authors declare no conflict of interest.