Received: 25 March 2020
Accepted: 7 July 2020
First Online: 16 July 2020
Ethics approval and consent to participate
: This study was approved by the medical ethics committee of Hubei NO.3 People’s Hospital of Jianghan University, and all participants provided informed verbal consent. The consent obtained was verbal because of the the infectivity and the exploration urgency for COVID-19. We obtained the verbal consent of the patient or his immediate family members by telephone and the ethics committee approved this procedure.
: Not applicable.
: The authors declare that they have no competing interests.