Li, Xiangying
Fan, Huiping
Wang, Yan
Sun, Chao
Yang, Xi
Ma, Xiaoli
Jiao, Jing http://orcid.org/0000-0002-5504-0793
Article History
Received: 14 February 2023
Accepted: 7 August 2023
First Online: 28 August 2023
Declarations
:
: 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 Jinan Central Hospital approved this study.
: Informed consent was obtained from all individual participants included in the study.
: The authors affirm that human research participants provided informed consent for publication of the images in Figs. and .
: The authors declare no competing interests.