Xu, Shanshan
Song, Zhihui
Han, Furong
Zhang, Chao
Article History
Received: 11 April 2023
Accepted: 14 May 2023
First Online: 23 May 2023
Declarations
:
: The authors declare that they have no competing interests.
: The protocols used in this retrospective study were reviewed and approved by the institutional ethics board of Beijing Tongren Hospital. The requirement for individual informed consent was waived by the institutional ethics board of Beijing Tongren Hospital because this study used currently existing medical records collected during the course of routine medical care and did not pose any additional risks to the patients. All patient data were anonymized prior to the analysis. All methods and experimental protocols in this study were conducted in accordance with the approved protocols and Ethics Committee’s existing guidelines.
: Not applicable.