Yuan, Xueting
Jin, Jin
Xu, Xiaomao
Article History
Received: 3 August 2021
Accepted: 1 November 2021
First Online: 7 November 2021
Declarations
:
: The study protocol was approved by the Institute Ethics Committee of Beijing Hospital (2020BJYYEC-053-02). The study protocol conformed to the ethical guidelines of the 1975 Helsinki Declaration. Written informed consent was obtained from all patients.
: Not applicable.
: The authors declare no competing interests.