Received: 15 January 2018
Accepted: 21 December 2018
First Online: 18 January 2019
Ethics approval and consent to participate
: The study was approved by the research ethics committee at Universidade do Oeste Paulista and Plataforma Brasil (certificate of ethical approval protocol number 2.127.403). Written informed consent was obtained from the parents of the reported cases for this paper to be published.
: Written informed consent was obtained from the guardians of patients described in these case reports. A copy of the written consent is available for review by the Editor of this journal.
: The authors declare that they have no competing interests.
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