Xu, Wei
Yan, Zeqiang
Hu, Fen
Wei, Wei
Yang, Chao
Sun, Zhihua
Article History
Received: 30 October 2019
Accepted: 9 March 2020
First Online: 9 April 2020
Ethics approval and consent to participate
: Written informed consent was obtained from all patients and their families before the study. Study protocols were approved by the Ethic Committee of Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science and based on the ethical principles for medical research involving human subjects of the Helsinki Declaration.
: Consent for publication was obtained from the participants.
: The authors declare that they have no competing interests.