He, Pan
Xu, Yongqiang
Wang, Zhijun
Article History
Received: 19 May 2020
Accepted: 6 August 2020
First Online: 26 August 2020
Ethics approval and consent to participate
: This study was approved by Hunan Provincial People’s Hospital Ethics Committee. All the patients signed written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.