Gao, Wei
Xing, Tianying
Ou, Tongwen
Article History
Received: 21 October 2020
Accepted: 15 March 2021
First Online: 7 April 2021
Declarations
:
: This study was approved by the Ethics Committee of Xuanwu Hospital, Capital Medical University and conducted in accordance with the standards laid down in the declaration of Helsinki. All patients provided informed consent.
: Not applicable.
: The authors declare that they have no competing interests.