Zhang, Miao
Wang, Shengpei
Hu, Di
Kang, Huiying
Ouyang, Minhui
Zhang, Yonghong
Rao, Bo
Huang, Hao
Peng, Yun
Article History
Received: 7 July 2018
Accepted: 18 September 2018
First Online: 8 October 2018
Compliance with ethical standards
:
: This study was funded by the National Natural Science Foundation of China (No. 81671651).
: The authors declare that they have no conflict of interest.
: All procedures performed in the studies involving human participants were in accordance with the ethical standards of the Medical Ethics Committee of the Beijing Children’s Hospital and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from the parents or legal guardians of all individual participants included in the study.