Zhang, Yang-wei
Qu, Hai-bo
Long, Ning
Leng, Xiang-you
Liu, Yun-qiang
Yang, Yuan http://orcid.org/0000-0002-9206-0312
Funding for this research was provided by:
National Natural Science Foundation of China (81871203)
Article History
Received: 29 April 2020
Accepted: 9 September 2020
First Online: 18 September 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the ethic committee of West China hospital and the Second Clinical Institute of North Sichuan Medical College.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from the parents.
: Patients signed informed consent regarding publishing their data and photographs.