Zhou, Jing
Shang, Wan-Yuan
Huang, Zheng-Hua
Liu, Ya-Qing
Sun, Chen
Shen, Xiao-Fei
Article History
Received: 31 July 2019
Accepted: 15 October 2019
First Online: 24 October 2019
Compliance with ethical standards
:
: All authors have contributed significantly to the manuscript and declare that the work is original and has not been submitted or published elsewhere. None of the authors have any financial disclosure or conflict of interest.
: Consent for publication was obtained from every individual(their parents) whose data are included in this manuscript.
: This study was conducted in accordance with the declaration of Helsinki.This study was conducted with approval from the Ethics Committee of our hospital.A written informed consent was obtained from legal children caretaker of all participants.