Cheng, Xinqi
Chai, Xiaofeng
Ma, Chaochao
Jia, Qiang
Zhao, Honggang
Dong, Zuoliang
Zhang, Zuncheng
Hu, Yingying
Song, Ailing
Yang, Guohua
Qiu, Ling
Lian, Xiaolan
Article History
Received: 10 March 2020
Accepted: 8 June 2020
First Online: 19 June 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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.