Funding
The study was supported by FIPE (Fundo de Incentivo à Pesquisa e Eventos, Hospital de Clinicas de Porto Alegre), IATS (Instituto de Avaliação de Tecnologia em Saúde) and CNPq (Conselho Nacional de Desenvolvimento Científico e Tecnológico). DMN received doctoral funding support from CAPES (Coordenação de Aperfeiçoamento de Pessoal de Nível Superior). PMB received post-doctoral fellowship funding support from CAPES. BDS and NC receive research productivity grant and support from the CNPq foundation. Such funding agency do not have any roles regarding the design of the study, data collection, analysis and interpretation of data, or in writing the manuscript.