About the Authors

Helen Wigglesworth

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

Affiliation Sheffield Children’s NHS FT, Sheffield, United Kingdom

Vyv Huddy

Roles Supervision, Writing – review & editing

Affiliation Clinical Psychology Unit, University of Sheffield, Sheffield, United Kingdom

Rosie Knowles

Roles Conceptualization, Resources

Affiliation Sheffield Sling Surgery and Library, Carrying Matters, Sheffield, United Kingdom

Abigail Millings

Roles Conceptualization, Methodology, Supervision, Writing – review & editing

A.Millings@shu.ac.uk

Affiliation Centre for Behavioural Science and Applied Psychology, Sheffield Hallam University, Sheffield, United Kingdom

Competing Interests

I have read the journal’s policy and the authors of this manuscript have the following competing interests: The third author owns and directs the sling library that provided the intervention evaluated.