Wang, Haiyan
Zhang, Bihong
Li, Sha
Ou, Rongqiong
Liu, Yong
Tan, Weiping
Funding for this research was provided by:
Guangdong Medical Research Foundation (201811617228861)
Article History
Received: 25 April 2019
Revised: 17 January 2020
Accepted: 22 January 2020
First Online: 6 March 2020
Compliance with ethical standards
:
: The present study was conducted in accordance with the principles outlined in the Declaration of Helsinki with approval from the Ethics Committee of Sun Yat-sen Memorial Hospital, Sun Yat-Sen University. Written informed consent was obtained from the patients’ parents or legal guardians.
: The authors declare that they have no competing interests.
: Informed consent was obtained from all individual participants included in the study.