Yan, Xiquan
Han, Xiaotong
Fan, Yong
Fang, Zhixiong
Long, Da
Zhu, Yimin
Funding for this research was provided by:
Program of Hunan science and technology department (2020SK3011)
Article History
Received: 24 April 2020
Accepted: 7 May 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: Ethical approval for the study was provided by the Ethics Committee of Loudi Central Hospital, Ethics Committee of Shaoyang Central Hospital, and Ethics Committee of Xiangtan Central Hospital. Written informed consent was obtained from the patients.
: Not applicable.
: The authors declare that they have no competing interests.