Zhang, Feng
Wang, Jin-Hua
Zhao, Mei-Sheng
Article History
Received: 7 October 2020
Accepted: 25 February 2021
First Online: 12 March 2021
Declarations
:
: Written informed consent was signed from every eligible patient and their relatives. Approval of protocol was obtained from the Ethical Committee of the second hospital of Jilin university and Jing Zhou central Hospital, The second Clinical Medical College, Yangtze University. The methods were carried out according to every guideline and regulation. Record related to patient was anonymous and de-identified prior to analysis. The study was conducted in accordance with the Declaration of Helsinki.
: All authors gave final approval of the version to be published.
: The authors declare that they have no competing interests.