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Article History

Received: 22 September 2022

Accepted: 3 March 2023

First Online: 8 March 2023

Declarations

:

: The authors declare no competing interests.

: This study used quantitative and qualitative data. The quantitative data, which is secondary data for this study, was collected by the World Vegetable Center. For quantitative data, the World Vegetable Center obtained signed written informed consent forms from school principals and caregivers/parents for themselves and for their children, which was approved by the Nepal Health Research Council, Ethical Review Board on May 30, 2018 (Reg. No. 222/2018) [CitationRef removed]. It was also approved by the Institutional Biosafety and Research Ethics Board of the World Vegetable Center (Approval No. 23). The trial is included in the Registry for International Development Impact Evaluations (RIDIE; Study ID 5cd93ec673096) [CitationRef removed].For the qualitative study, the initial plan was to conduct face-to-face interviews, however, due to the COVID-19 pandemic plan was changed to phone interviews and getting verbal informed consent from the previously involved participant. The Nepal Health Research Council approved the amendment. Finally, the Research Ethics Committee, Graduate School of Medicine, the University of Tokyo (Serial Number: 2020089NI), and NHRC (Reg. no. 501/2020 MT) approved the study protocol. Verbal informed consent was witnessed and formally recorded which was approved by the Nepal Health Research Council. The study was carried out in accordance with the relevant regulations and guidance.

: Not applicable

: The authors declare no conflicts of interest.