About the Authors

Matt Boyd

Contributed equally to this work with: Matt Boyd, Nick Wilson

Roles Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Writing – original draft, Writing – review & editing

matt@adaptresearchwriting.com

Affiliation Adapt Research Ltd, Reefton, New Zealand

Nick Wilson

Contributed equally to this work with: Matt Boyd, Nick Wilson

Roles Conceptualization, Data curation, Methodology, Project administration, Resources, Supervision, Validation, Writing – original draft, Writing – review & editing

Affiliation Department of Public Health, Univeristy of Otago, Wellington, New Zealand

Competing Interests

All authors have completed the Unified Competing Interest form (available on request from the corresponding author) and declare: no support from any organisation for the submitted work; no financial relationships with any organisations that might have an interest in the submitted work in the previous three years; no other relationships or activities that could appear to have influenced the submitted work. MB is the owner and sole employee of Adapt Research Ltd, this does not alter our adherence to PLOS ONE policies on sharing data and materials.