Received: 16 March 2020
Accepted: 17 July 2020
First Online: 23 July 2020
Ethics approval and consent to participate
: The Ethics Committee of the Second Affiliated Hospital of Nanjing Medical University reviewed and approved this study. This study was registered in the China clinical trial registration center under the registration number ChiCTR1900022319.
: All patients gave written informed consent for publication.
: The authors declare that they have no conflict of interest.