Received: 24 September 2021
Accepted: 3 January 2022
First Online: 13 January 2022
: This study was approved by the medical ethics committee of the Affiliated Hospital of Qingdao University according to the Declaration of Helsinki, and informed consent was obtained from all individual participants included in the study. All methods were carried out in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that there is no competing of interest.