Hu, Juan
Xiao, Yong-hong
Zheng, Yi
Lai, Yang-xiao
Fang, Xue-ling
Fang, Qiang
Article History
Received: 5 November 2019
Accepted: 26 March 2020
First Online: 30 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This retrospective study involving human participants was in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The Institutional Review Board of the First Affiliated Hospital, College of Medicine, Zhejiang University, approved this study (2019IIT 1395).
: Informed consent was obtained from all individual participants included in the study.
: Not applicable.
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