Table 7.

Therapists: EMMA condition.

Domains	Categories	Core ideas
- Perception of change after treatment	Positive change perceived (general)	Therapists say the treatment is a very useful treatment for patients
- Treatment features that have helped them	- Emotional processing (general) - Re-experiencing the experience through the virtual system (typical) - Specific elements or resources of the virtual system that have helped (variant) - Acceptability of the treatment (variant)	Therapists say that the use of symbols facilitates emotional expression Therapists express that, although re-experiencing can be painful, the system helped them to go through it Therapists state that using pictures and music selected by the patient has a powerful effect on the treatment Therapists say the system provides a safe environment
- Strategies	- Usability (variant) - Technical features/resources (variant)	Therapists state that the system should improve the ease of use of the treatment Therapists mention that it would be a good idea to incorporate the emotion thermometer in the system