Liang, Dandan
Liu, Jing
Liang, Shaoshan
Xu, Feng
Cheng, Zhen
Huang, Xianghua
Zeng, Caihong
Liu, Zhihong https://orcid.org/0000-0001-6093-0726
Article History
Received: 8 April 2020
Accepted: 22 July 2020
First Online: 28 July 2020
Compliance with ethical standards
:
: The authors have no conflicting interests that are relevant to this article.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Institutional Review Board of Jinling Hospital, Nanjing University School of Medicine and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. As this was a retrospective observational study with full patient anonymity, the requirement for written informed consent was waived.