Received: 8 December 2020
Accepted: 23 March 2021
First Online: 6 April 2021
: This randomized, double-blinded, prospective clinical trial study was registered with the Chinese registry of clinical trials at ExternalRef removed (ChiCTR-IPR-17012650; Sep 12, 2017). The Research Ethics Committee of the Affiliated Hospital of North Sichuan Medical College approved the study (approval no. 2017/049). This study adhered to the applicable CONSORT guidelines and was performed from January 2018 to December 2019. The first participant enrolled on January 4, 2018. Informed written consent was obtained from all participants.
: Not applicable.
: The authors declare no competing interests.