Received: 8 February 2022
Accepted: 18 May 2022
First Online: 25 May 2022
: The ethics committee of the Beijing Chao-Yang Hospital, Capital Medical University approved this study (NO.2020-KE-94). Because of retrospective study, written informed consent was waived by the ethics committee of the Beijing Chao-Yang Hospital, Capital Medical University which gave approval to the verbal consent. All patients were informed by telephone about this research and their consents were obtained, and we keep patient clinical data confidential. All procedures were in accordance with Helsinki Declaration.
: Not applicable.
: The authors declare that they have no competing interests.