Yang, Li
Nie, Honggang
Zhao, Fan
Song, Shiyao
Meng, Ying
Bai, Yu
Liu, Huwei http://orcid.org/0000-0001-6540-9657
Funding for this research was provided by:
Natural Science Foundation of Shanxi Province (201801D221070)
National Natural Science Foundation of China (21527809)
Article History
Received: 21 July 2019
Revised: 22 October 2019
Accepted: 28 October 2019
First Online: 4 January 2020
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.