Xia, Huan
Xiu, Ming
Gao, Jinying
Jing, Hongyu
Article History
Received: 26 March 2019
Accepted: 18 July 2019
First Online: 10 September 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the Ethics Committee of the First Hospital of Jilin University (No.JLU130021201008112432). All procedures performed in studies involving human participants were by the ethical standards of the institutional and national research committee. Written informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.