Table 3.

Overview of themes, categories, and subcategories.

Themes	Categories	Subcategories
Acceptability and feasibility of EJDeR	Support to e-therapists	Clinical supervision
		Technical difficulties
	Guidance to parents	Support protocols
		Synchronous communication
	Content	Relevancy of the intervention
		Pacing of the intervention
Acceptability and feasibility of ENGAGE study procedures	Recruitment and training of e-therapists	Definition of the role
		Training program
	Retention of parents	Parent suitability and screening
		Frequency of weekly Portal assessments
	Retention of e-therapists	Administrative requirements
		Communication with the research team
	The Portal	-