Su, Bao
Shen, Jieliang
Luo, Xiaoji
Quan, Zhengxue
Jiang, Dianming
Peng, Xiaohua
Tang, Ke
Article History
Received: 4 March 2021
Accepted: 20 April 2021
First Online: 26 April 2021
Declarations
:
: This study is a retrospective clinical study and has been approved by The First Affiliated Hospital of Chongqing Medical University Ethics Committee.
: Not applicable
: The authors declare that they have no competing interests.