Article History
Received: 6 June 2020
Accepted: 8 September 2020
First Online: 14 September 2020
Ethics approval and consent to participate
: This trial was approved by the institutional review board for human studies at Peking Union Medical College Hospital, Peking Union Medical College (Institutional Review Board #zs1338), and written informed consent was obtained from all subjects participating in the trial.
: Not applicable.
: The authors declare that they have no competing interests.