Long, Weihong
Gong, Liqun
Cui, Yaqing
Qi, Jie
Duan, Dapeng
Li, Weiwei
Article History
Received: 21 January 2020
Accepted: 2 September 2020
First Online: 10 September 2020
Ethics approval and consent to participate
: Ethical approval from Ethics Committee of Shaanxi Provincial People’s Hospital was obtained for this study. Each author certifies that all investigations were conducted in conformity with ethical principles. Written informed consent was obtained from all participants.
: All patients signed informed consent forms to publish their personal details in this article.
: The authors declare that they have no competing interests.