Funding for this research was provided by:
Beijing Municipal Science and Technology (No.Z171100001017083)
Received: 27 August 2020
Accepted: 8 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Beijing Anzhen Hospital Clinical Research (Beijing, China), and consent was waived because of the retrospective data collection.
: Not applicable.
: The authors declare that they have no competing interests.