Liu, Zijia
Liu, Jiannan
Zhou, Zijie
Zhang, Qiaoyu
Wu, Hao
Zhai, Guangtao
Han, Jing
Article History
Received: 27 August 2020
Accepted: 3 January 2021
First Online: 6 February 2021
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 and approved by the local ethics committee (No. SH9H-2020-T160-1).
: For this type of study, formal consent is not required.
: Informed consent was obtained from all participants included in the study.