Ethics approval and consent to participate
WEST
The protocol for this trial was approved by the Biomedical Ethics Committee of West China Hospital of Sichuan University on December 18, 2019 (2019 − 928), and written informed consent was obtained from all subjects participating in the trial. The trial was registered prior to patient enrollment on the Chinese Clinical Trials Registry on January 20, 2020 (ChiCTR2000029247).