Li, Zhixian
Li, Jie
Fu, Peipei
Chen, Yan
Jing, Zhengyue
Yuan, Yemin
Yang, Shijun
Yan, Chen
Li, Wenjuan
Li, Jie
Gui, Zhen
Zhou, Chengchao http://orcid.org/0000-0002-9364-3579
Funding for this research was provided by:
National Natural Science Foundation of China (71774104, 71974117)
National Natural Science Foundation of China (71473152)
China Medical Board (16-257)
Cheeloo Youth Scholar Grant (IFYT1810, IFYT181031, IFYT18032)
NHC Key Lab of Health Economics and Policy Research (NHC-HEPR2019002, NHC-HEPR2019001)
Article History
Received: 28 December 2020
Accepted: 11 August 2021
First Online: 26 August 2021
Declarations
:
: The Ethical Committee of Shandong University reviewed and approved the study protocol. All participants gave their informed written consent for participation prior to the face-to-face interview.
: Not applicable.
: All authors declare no conflict of interest.