Li, Wei http://orcid.org/0000-0003-0236-4214
Fang, Yijie http://orcid.org/0000-0001-8912-7080
Liao, Jianwei http://orcid.org/0000-0003-1923-0247
Yu, Wenjun http://orcid.org/0000-0002-1177-5587
Yao, Lin http://orcid.org/0000-0002-6733-7869
Cui, Huaqian http://orcid.org/0000-0003-3023-6594
Zeng, Xiang http://orcid.org/0000-0002-9826-6653
Li, Shaolin http://orcid.org/0000-0003-1965-0217
Huang, Chuan http://orcid.org/0000-0001-6052-0663
Article History
Received: 2 May 2020
Accepted: 2 July 2020
First Online: 13 July 2020
Compliance with ethical Standards
:
: The authors declare that they have no conflict of interest.
: The Medical Ethics Committee of the Fifth Affiliated Hospital of Sun Yat-sen University approved this retrospective study. The work described has been carried out in accordance with The Code of Ethics of the World Medical Association (Declaration of Helsinki).
: Informed consent was waived.
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