Nie, Ling
Li, Wei
Xue, Liyan
Wang, Lin
Shen, Yonghua
Fan, Xiangshan http://orcid.org/0000-0001-7192-5594
Funding for this research was provided by:
Nanjing Medical Science and Technology Development Project (ZKX17013 and QRX17004)
Article History
Received: 11 March 2020
Accepted: 25 June 2020
First Online: 3 July 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Formal consent is not required for this retrospective study.