Zhou, Huijie
Sun, Yu
Xiu, Weigang
Han, Jialong
Zhong, Lili
Suo, Jiaojiao
Wei, Hao
Wang, Yan
Zhu, Jiang http://orcid.org/0000-0002-5496-8450
Article History
Received: 1 April 2020
Accepted: 30 May 2020
First Online: 9 June 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This retrospective chart review 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 Human Investigation Committee (IRB) of Sichuan University approved this study.