1. Anxiety Disorders Program; Hospital de Clínicas de Porto Alegre; Porto Alegre Brazil
2. Graduate Program in Medical Sciences: Psychiatry; Federal University of Rio Grande do Sul; Porto Alegre Brazil
3. School of Nursing; Graduate Program in Nursing; Federal University of Rio Grande do Sul; Porto Alegre Brazil
4. Research Group and Graduate Program of Hospital de Clínicas de Porto Alegre; Porto Alegre Brazil