Funding for this research was provided by:
Center for Cancer and Immunology, Children's Research Institute (Pilot research grant)
Received: 27 March 2018
Accepted: 20 June 2018
First Online: 4 July 2018
Ethics approval and consent to participate
: The study was conducted in compliance with the Helsinki Declaration and ethical approval was obtained from the Institution Review Board of Children’s National Medical Center (Pro00005055). All patients were enrolled after obtaining informed consent from parents and assent from patients older than 7 years old.
: Not applicable.
: The authors declare that they have no competing interests.
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