Du, Lanxin
Jiang, Hanyu
Li, Jin
Duan, Ting
Zhou, Chenyun
Yan, Feng http://orcid.org/0000-0003-3715-7485
Article History
Received: 8 August 2020
Revised: 20 June 2021
Accepted: 24 June 2021
First Online: 21 August 2021
Declarations
:
: The nature of this study does not require approval by the ethical committees. The study followed the Declaration of Helsinki (64th WMA General Assembly, Fortaleza, Brazil, October 2013).
: Informed consent was abandoned in this study because sensitive patient-related information was not involved.
: Written informed consent for participation was obtained from all authors.
: Written informed consent for publication was obtained from all authors.
: The authors declare no competing interests.