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Article History

Received: 30 June 2020

Accepted: 13 January 2024

First Online: 5 April 2024

Declarations

:

: The survey was reviewed and approved by the ethical review board of the National Bioethics Committee in Bolivia. Informed consent was obtained from the infants’ parents or guardians prior to data collection, and the rights to access personally identifiable information were restricted to maintain confidentiality.

: Not applicable.

: All authors were employees of the Inter-American Development Bank at the time of conducting this study. The authors declare no relevant material or financial interests that relate to the research described in this paper.