Yan, Enliang
Song, Jialin
Liu, Chaonan
Luan, Jingmin
Hong, Wenxue
Funding for this research was provided by:
National Natural Science Foundation of China (61273019, 31273740, 81373767, 61201111, 61501397, 81803958, 61601106)
Natural Science Foundation of Hebei Province (F2016203443, H2018501067)
Article History
First Online: 27 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.