Liu, Li
Cao, Yingjuan
Su, Mingzhu
Zhang, Jinxin
Miao, Yajun
Yao, Nengliang
Article History
Received: 23 May 2022
Accepted: 26 July 2022
First Online: 2 August 2022
Declarations
:
: All procedures performed in this study are in accordance with the ethical standards of the Institutional Review Board at the Centre for Health Management and Policy Research at Shandong University (ECSHCMSDU20200901), and with the Declaration of Helsinki.
: Informed consent was obtained from all individual participants included in the study. Additionally, participants consented to having their data published.
: The authors declare no competing interests.