Liu, Junru
Wang, Xing
Fan, Dongmei
Sun, Lina
Zhang, Weinan
Yin, Fuzai
Liu, Bowei
Funding for this research was provided by:
Provincial Science Foundation of Hebei province, China (No.162777116D)
Article History
Received: 23 June 2022
Accepted: 3 November 2022
First Online: 18 November 2022
Declarations
:
: All procedures performed involving human participants were in accordance with the ethical principles of the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by Qinhuangdao First Hospital of ethical committee (No.2015C061). All subjects provided written informed consent before study initiation.
: Not applicable.
: The authors declare that they have no competing interests.