Dong, Zehua
Liu, Ying
Gai, Yubiao
Meng, Pingping
Lin, Hui
Zhao, Yuxiao
Xing, Jinyan
Article History
Received: 29 September 2020
Accepted: 9 March 2021
First Online: 29 March 2021
Declarations
:
: The trial was approved by the Ethics Committee of the Affiliated Hospital of Qingdao University (No. QYFY WZLL 25526) and is registered in the Chinese Clinical Trial Registry (No. ChiCTR1900024046). Written informed consent was obtained from the patients or their relatives.
: Written informed consent was obtained from patients or relatives.
: The authors declare that they have no competing interest.