Received: 22 January 2021
Accepted: 16 August 2021
First Online: 7 September 2021
: Our study has been approved by the Medical Ethics Committee of Affiliated Haikou Hospital of Xiangya Medical College. All procedures performed in studies involving human participants were in accordance with the ethical standards of the Affiliated Haikou Hospital of Xiangya Medical College and Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: All authors declare that they have no competing interests.