Received: 18 January 2018
Accepted: 26 June 2018
First Online: 3 July 2018
Ethics approval and consent to participate
: This therapeutic protocol was approved by the biomedical research ethics committee of the National Hospital of Pediatrics Research Institute for Child Health (NHP-RICH, Hanoi, Vietnam) (reference number: NHP-RICH-15-008) and the ethical committee of the National Center for Global Health and Medicine (NCGM, Tokyo, Japan) (reference number: NCGM-G-001853-00).
: The parents of the patient provided written informed concent for the publication of this manuscript.
: The authors declare that they have no competing interests.
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