Received: 14 October 2021
Accepted: 3 May 2022
First Online: 14 May 2022
: This research was approved by the ethics committee of Chengde Medical University Affiliated Hospital and Daqing oilfield General Hospital. Informed consent to participate was obtained from all individual participants included in the study prior to initiating data collection. All methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interest.