About the Authors

Polly Carmichael

Roles Conceptualization, Methodology, Writing – original draft, Writing – review & editing

PCarmichael@tavi-port.nhs.uk

Affiliation Gender Identity Development Service (GIDS), Tavistock and Portman NHS Foundation Trust, London, United Kingdom

Gary Butler

Roles Conceptualization, Investigation, Writing – original draft, Writing – review & editing

Affiliations Gender Identity Development Service (GIDS), Tavistock and Portman NHS Foundation Trust, London, United Kingdom, Paediatric Endocrine Service, University College London Hospitals NHS Foundation Trust, London, United Kingdom, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom

Una Masic

Roles Data curation, Investigation, Writing – review & editing

Affiliation Gender Identity Development Service (GIDS), Tavistock and Portman NHS Foundation Trust, London, United Kingdom

Tim J. Cole

Roles Formal analysis, Writing – review & editing

Affiliation UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom

Bianca L. De Stavola

Roles Formal analysis, Methodology

Affiliation UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom

Sarah Davidson

Roles Writing – review & editing

Affiliation Gender Identity Development Service (GIDS), Tavistock and Portman NHS Foundation Trust, London, United Kingdom

Elin M. Skageberg

Roles Conceptualization, Methodology

Affiliation Gender Identity Development Service (GIDS), Tavistock and Portman NHS Foundation Trust, London, United Kingdom

Sophie Khadr

Roles Conceptualization, Writing – review & editing

Affiliation UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom

Russell M. Viner

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

Affiliation UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.