Table 5.

Patients: EMMA condition.

Domains	Categories	Core ideas
- Perception of change after treatment	Positive change perceived (general)	Patients say the treatment was very useful
- Type of change	Emotional change - Anxiety management (typical) - Acceptability (variant) Coping - Resilience (typical) - Relief (this category involves everything that means going back to the state before the stressful event, whereas the other category in fact increases after the stressor) Cognitive change (typical) Others (rare)	Patient states that she is less restless Patient states that she can express her emotions about the event without judging them Patient could fully cope with life Patient states that she is finally able to wipe him husband out of her mind Patient says a heavy load has been lifted Not as many memories come to my mind like before, and images come and go; they do not hurt; I’m not scared about keeping those images in my mind Improvements in sleeping
- Perceptions about the treatment (protocol)	- Re-experiencing the experience through the virtual system (typical) - Emotional processing (typical) - Treatment elements that have particularly helped them (typical)	Photographs helped me to place myself in the event and relive the accident “I found it easier to express emotions with the help of virtual environments and the devices that were included in the system” Patient stated that the photographs helped him to re-experience the situation
Strategies to improve the treatment	- New functionalities or evolutions of the system (variant) Usability aspects (rare)	Patient stated that it would be better to handle the system in an easier way Patient mentions that there should be more symbols