Li, YiQiang
,
Guo, YueMing
Shen, XianTao
Liu, Hang
Mei, HaiBo
Xu, HongWen
Canavese, Federico http://orcid.org/0000-0002-6114-5372
Article History
Received: 2 August 2018
Accepted: 15 February 2019
First Online: 12 April 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures were performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: No patients were involved. This is a retrospective study of patients’ data, and an IRB approval was obtained (GZWCMC 2015020904).