Article History
Received: 12 May 2021
Accepted: 30 August 2021
First Online: 15 September 2021
Declarations
:
: The study was conducted in accordance with the Declaration of Helsinky and approved by the Ethics Committee of The First People’s Hospital of Changde, China.
: The consent form used during the current study is available from the corresponding author on reasonable request.
: The authors declare that they have no competing interest.