Li, Xiaoli
Zeng, Zhen
Yang, Xinchun
Wang, Hongjiang
Article History
Received: 20 April 2021
Accepted: 8 September 2021
First Online: 15 September 2021
Declarations
:
: The study protocol was approved by the Ethics Committee of Beijing Chaoyang Hospital. Informed consent was obtained from all the study subjects before enrollment.
: Informed consent was obtained from all the study subjects before enrollment.
: The authors declare that they have no competing interests.