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Authors
Dong, Jian-Hua https://orcid.org/0000-0002-7346-1647
Xu, Shu-Tian
Xu, Feng
Zhou, Yu-Chao
Li, Ze
Li, Shi-Jun
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Article History
Received: 16 October 2019
Accepted: 15 December 2020
First Online: 4 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in the present study were in accordance with the ethical standards of the institutional research committee of Jinling Hospital and with the tenets of the Declaration of Helsinki of 1964 and its later versions. Informed consent as the present study was an observational and historical but not a prospective interventional study, the ethics committee waived the need for direct informed consent.
