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Article History

Received: 24 May 2018

Accepted: 15 October 2018

First Online: 6 November 2018

Ethics approval and consent to participate

: This study was approved by ethical committee of Shenzhen Children’s Hospital. All data and pictures in the study were permitted with consent from the patient and her father.

: Written consent for publication of images was given by the patient’s father.

: The authors declare that they have no competing interests.

: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.