Yang, Tao
Chen, Chihua
Chen, Zhongyuanlong
Article History
Received: 16 May 2020
Accepted: 14 December 2020
First Online: 20 January 2021
Ethics approval and consent to participate
: Our study was a retrospective analysis. This present study had been verified and approved by the ethics committee of Chest Hospital of Xinjiang Uygur Autonomous region of the PRC (approval number: 20190112-3a), and written informed consents had been obtained from all the included patients.
: Not applicable.
: The authors declare that they have no competing interests.