Original printed self-reported scales were collected at Sheffield Children’s NHS Foundation Trust and then collected for the a research to being coded and analysed by excel and SPSS v.26.40 in the SHU office.

Interviews were audio recordings and encrypted using a Dictaphone, transcribed, and subsequently deleted. Transcriptions were anonymised and coded for content analysis. Both the transcriptions and the Excel document containing the coding framework are available in the deposit.