Funding for this research was provided by:
National Center for Global Health and Medicine (30-3)
Text and Data Mining valid from 2019-03-29
Received: 31 January 2019
Accepted: 15 March 2019
First Online: 29 March 2019
Ethics approval and consent to participate
: Permission to conduct the study was granted by the Department of Education, Division of City Schools-Manila and the respective school principals. Ethical approval of the study was granted by the Ethical Committee for Medical and Health Research Involving Humans, University of the Ryukyus, Japan (Protocol Identification Number 1247) and the National Children’s Hospital – Institutional Review Board, Philippines (NCH – IRB 2017-24-NCT-01). Written assent and consent from the participants and their guardians were obtained prior to conducting the study. Participants’ information was kept confidential.
: Not applicable
: The authors declare that they have no competing interests.
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