Document is current
Any future updates will be listed below
-
Authors
Wang, Chuan
Ma, Xue
- License Information
-
More Information
Article History
Received: 17 July 2019
Accepted: 9 October 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: Not applicable.
: We confirm that written consent to publish this information was obtained from parents of the study participant, and a copy of consent is available for the journal.
: The authors declare that they have no competing interests.
