Document is current

Article History

Received: 19 March 2025

Accepted: 17 June 2025

First Online: 1 July 2025

Declarations

:

: The project was reviewed at the London School of Hygiene and Tropical Medicine through the Combined Academic, Risk assessment and Ethics (CARE) process and being a literature review, was assessed by the Research Governance & Integrity Office as not requiring ethical approval as all data are in the public domain. Consent to participate is not applicable as this is review of previously published studies and does not involve collection and analysis of individual patient data.

: Not applicable.

: The authors declare no competing interests.