Inclusion Criteria:  Expert Patient: diagnosis of MS, possibility to attend the sessions and signing of the informed consent. Participants: Expert Patient inclusion criteria and need for support for self-management or detection of lack of knowledge regarding MS.  Exclusion Criteria:  Expert Patient: not to speak or write Spanish or Catalan, healthcare or educational professional, having aphasia or an auditory disorder that prevents interaction with the group; -1.5 SD score of the population mean in one of the 3 subtests of The International Brief Cognitive Assessment for Multiple Sclerosis (BICAMS), score above 11/21 on The Hospital Anxiety and Depression Scale (HADS), and psychopathological comorbidity or diagnosed mental disorder that prevents proper interaction with the group. Participants: Expert Patient exclusion criteria without any restriction for healthcare or educational professionals.