This is an observational study aimed at validating the Frustration Discomfort Scale (Harrington, 2005). A back-translation process was followed to obtain a translated version of the scale, which was refined after a discussion with several clinicians.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Frustration Discomfort Scale
Timeframe: The measure will be administered 1 day once only together with the remaining measures