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Contributors DS, JR and KV were involved in the initial concept and design of the infograph. DS and JS were involved in the initial draft of the supporting text. All authors were involved in the revising and critical analysis of the infograph.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent for publication Not required.
Provenance and peer review Not commissioned; externally peer reviewed.