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Article History

Accepted: 27 April 2025

First Online: 30 May 2025

Change Date: 9 July 2025

Change Type: Update

Change Details: The original online version of this article was revised: Author Mark Harvey B. Adamson is affiliated with only number 2 affiliation. Hence, affiliation 1 in superscript is removed in author group.

Declarations

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: This study was conducted in accordance with the ethical principles outlined in the Declaration of Helsinki, ensuring respect for individuals, beneficence, and justice. Ethical approval for the research was obtained from the appropriate institutional review board prior to the commencement of the study, and informed consent was obtained from all participants.

: Some of the authors (M.R.L., J.A.C., L.A.L.D., R.A.O., and J.E.V.) are employed by the Food and Drug Administration of the Philippines and the National Pharmacovigilance Center and were not involved in conducting the focus group discussions. M.H.A., V.G.C., R.A.P., J.F., and M.A.G. have no conflicts of interest that are directly relevant to the content of the study.

: This research project received financial support from the UNICEF/UNDP/World Bank/WHO Special Programme for Research and Training in Tropical Diseases (TDR).

: The online ADR reporting data are not publicly available. Requests to access the data should be directed to the Food and Drug Administration Philippines.

: The ethics approval for this study was obtained from the World Health Organization (TDR1PV) Research Ethics Review Committee and the Philippine Women’s University (ERC2021_0001.1) Ethics Review Boards.

: All participants provided informed consent prior to participating in the study.

: This work does not contain any individual person’s data in any form (including any individual details, images, or videos).

: All authors have made substantial contributions to the study. Their specific contributions are detailed as follows: M.R.L.: conceptualization, literature review, methodology, data collection, formal analysis, writing—original draft preparation, finalization of the manuscript, and project administration. M.H.A.: conceptualization, literature review, methodology, data collection, formal analysis, writing—original draft preparation, finalization of the manuscript, and project administration. V.G.C.: conceptualization, investigation, data curation, and writing—review and editing. J.A.C.: data collection, validation, and writing—review and editing. L.A.L.D.: data collection, validation, and writing—review and editing. R.A.C.: data curation, visualization, and writing—review and editing. J.F.: conceptualization, investigation, data curation, and writing—review and editing. M.A.G.: investigation, data curation, and writing—review and editing. J.E.V.: resources, data validation, and writing—review and editing. M.G.S.: investigation, data curation, and writing—review and editing. R.A.O.: investigation, data curation, and writing—review and editing. All authors have read and approved the final manuscript. They agree to be accountable for all aspects of the work, ensuring accuracy and integrity in the study.