Received: 2 March 2021
Accepted: 26 April 2021
First Online: 30 April 2021
: The study was approved by the ethical committee of Third Affiliated Hospital of Hebei Medical University. Informed consent was obtained from all adult patients. The patient data was anonymized in this study. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.