1. Anxiety Disorders Outpatient Program (PROTAN), Hospital de Clínicas de Porto Alegre (HCPA) Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre Brazil
2. Graduate Program in Psychiatry and Behavioral Sciences, Hospital de Clínicas de Porto Alegre (HCPA) Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre Brazil
3. Neuroimaging Department, Institute of Psychiatry, Psychology and Neuroscience King's College London London UK
4. British Psychological Society London UK
5. Section of Negative Affect and Social Processes, Hospital de Clínicas de Porto Alegre (HCPA) Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre Brazil
6. Iniciativa Mindfulness (Brazil) Porto Alegre Brazil