Du, Wei
Fan, Lingyan
Du, Juan
Article History
Received: 8 February 2022
Accepted: 9 May 2023
First Online: 27 June 2023
Declarations
:
: The experimental procedures were all in accordance with the guideline of the Ethics Committee of Qing Dao Fu Wai Cardiovascular Hospital and has approved by the Ethics Committee of Qing Dao Fu Wai Cardiovascular Hospital. This study complies with the Declaration of Helsinki. A signed written informed consent was obtained from each patient.
: Not applicable.
: The authors declare no competing interests.