Text and Data Mining valid from 2019-08-08
Received: 11 January 2019
Accepted: 23 July 2019
First Online: 8 August 2019
Ethics approval and consent to participate
: This study was approved and supervised by the ethics committee of the Children’s Hospital of Chongqing Medical University and was performed in accordance with the ethical standards of the 1964 Declaration of Helsinki. Informed written consent was obtained from all patients.
: The subject shown in Figs. InternalRef removed, InternalRef removed, and InternalRef removed and his parents provided their written informed consent for publication of the images.
: The authors declare that they have no competing interests.