Received: 16 April 2020
Accepted: 7 June 2020
First Online: 12 June 2020
Ethics approval and consent to participate
: This study was approved by the institutional ethics board of Hubei NO.3 People’s Hospital of Jianghan University (2020 -19). Informed consent of the study was waived because of the retrospective nature and the analysis used anonymous clinical data.
: Not applicable.
: The authors declare no conflicts of interests.