Funding for this research was provided by:
National Natural Science Foundation of China (81901096)
Received: 7 July 2020
Accepted: 22 November 2020
First Online: 14 December 2020
Ethics approval and consent to participate
: This study was approved by the Ethical Committee of Chinese PLA General Hospital (#2019–088-01), and written informed consent was obtained from all subjects participating in the trial. The trial was registered prior to patient enrollment at the Chinese Clinical Trial Registry (ChiCTR1900023151, Principal investigator: Changsheng Zhang, Date of registration: May 14th, 2019).
: Written consent to publish the attached video was obtained from study participants, and the pdf of the consent was submitted as an additional file.
: The authors declare that they have no competing interests.