Guo, Xiaowei
Hu, Jie
Xiao, Hanbing
Liu, Tianyu
Niu, Zheng
Wang, Min
Qi, Dunyi http://orcid.org/0000-0002-0432-5422
Article History
Received: 17 March 2020
Accepted: 2 June 2020
First Online: 13 June 2020
Ethics approval and consent to participate
: The protocol of this study was approved by the Clinical Research Ethics Committee of the Affiliated Hospital of Xuzhou Medical University, Jiangsu, China (the reference number: XYFY2019-KL004, approval date: January 24, 2019). Written informed consents were obtained from participants before inclusion.
: Not applicable.
: The authors declare that they have no competing interests.