Statistics from Altmetric.com
Contributors SO: writing, editing, synthesizing data. SP: writing, synthesizing data. CL: writing, synthesizing data. JY: writing, editing, synthesizing data.
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.