Ban, Zhao-Nan
Li, Zheng-Jiang
Gu, Qi-Shan
Cheng, Jun
Huang, Qiang
Xing, Shu-Xing
Article History
Received: 10 July 2019
Accepted: 14 October 2019
First Online: 12 November 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Hospital. The aim and the method of the study were explained to the participants, and they were also informed by a standard written information form. Written informed consent was obtained from the participants prior to inclusion in the study to ensure that the participation was voluntary (Declaration of Helsinki 2013).
: All consents to publish from the participants who took part in this study were obtained.
: The authors declare that they have no competing interests.