Text and Data Mining valid from 2018-06-28
Received: 16 April 2018
Accepted: 14 June 2018
First Online: 28 June 2018
Ethics approval and consent to participate
: Not applicable.
: The consent for publication has been obtained from the parent of the patient at presentation.
: Both authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.