Ayers, Katherine
Klosky, James
Li, Zhenghong
Van Kirk Villalobos, Aubrey
Article History
First Online: 2 February 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.
: This study was reviewed and approved by the St. Jude Children’s Research Hospital Institutional Review Board for Human Subjects Research and therefore was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. All classroom teachers and parents of students gave their informed consent prior to their inclusion in the study.