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Authors
Zhu, Yan
Zhao, Yao-Rui http://orcid.org/0000-0002-5737-3831
Zhong, Ping
Qiao, Bao-Min
Yang, Zhi-Qiang
Niu, Yuan-Jie
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Article History
Received: 23 September 2020
Accepted: 7 December 2020
First Online: 2 January 2021
Compliance with ethical standards
:
: The authors have no relevant financial or non-financial interests to disclose.
: This is an observational study. The Research Ethics Committee has confirmed that no ethical approval is required.
: Verbal informed consent was obtained prior to the interview.
: Patients consent regarding publishing their data.
