Zhang, Zhen
Zhang, Luoyan
Yu, Guoxiang
Sun, Zhigang
Wang, Tiantian
Tian, Xingsong
Duan, Xuening
Zhang, Chi http://orcid.org/0000-0001-5078-1536
Article History
Received: 8 May 2020
Accepted: 6 October 2020
First Online: 17 October 2020
Compliance with ethical standards
:
: All the authors declare no conflicts of interest.
: All the procedures performed in studies involving human participants were in accordance with the ethical standards of Shandong Provincial Hospital, and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.