Non-commercial study. The study complies with the ethical principles of the Declaration of Helsinki, the recommendations of Good Clinical Practice (GCP) and current legislation.~The study has been approved with a favorable opinion by the CEIm of the Hospital Universitario 12 de Octubre.~Written consent will be requested from the participants and / or their relatives / representatives to participate in the study.
A multicentre observational study to validate the adaptation of the Pain Indicator Behavior Scale (ESCID) for patients with acquired Brain Damage (ESCID-DC), as a measuring instrument.