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Twitter @pedroramirezMD, @agz_eriksson
Contributors Each author (PTR, RP, AGZE and MF) wrote two summaries.
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 Commissioned; internally peer reviewed.
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