Received: 15 December 2021
Accepted: 9 February 2022
First Online: 20 February 2022
: The Ethics Committee of Third Hospital of Hebei Medical University approved this study. Patient consent for review of medical records was not required, as all data was de-identified. All protocols were conducted in accordance with the research principles in the Declaration of Helsinki.
: Not applicable.
: This material has not been published and is not under consideration elsewhere. The authors declare that they have no competing interests.