Footnotes

• Contributors LP reviewed the linked original article. LP, FPP and LG discussed the main findings of the manuscript, and its contribution to the field. LG drafted the editorial commentary. LP and FPP critically reviewed it. All the authors read and approved the final version of the mansucript.

• 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.

• Provenance and peer review Commissioned; internally peer reviewed.