Shi, Yin
Xie, Yi-Zhou
Zhou, Qun
Yu, Yang
Fan, Xiao-Hong
Funding for this research was provided by:
health commission of sichuan province (S17024)
Article History
Received: 5 August 2021
Accepted: 16 September 2021
First Online: 14 October 2021
Declarations
:
: The study was approved by the Ethics Committee of Hospital of CDUTCM on 1st Jan 2019 (NS-5279). Any modifications about the study will be submitted to the Ethics Committee for review and participants will be informed. After eligibility screening we will request signed consent from participants. Participants are also informed that their choice to participate or not participate in the study will not affect their access to health services or treatment, and that there is no penalty for not participating in the study.
: Not applicable.
: The authors declare that they have no competing interests.