Affiliation: | 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 |