1. Health Technology Assessment Department, Clinical Hospital of State University of Campinas, Campinas, Brazil
2. School of Medical Sciences, State University of Campinas, Campinas, Brazil
3. Faculty of Ceilândia, University of Brasilia, Brasilia, Brazil
4. Surgery Department, School of Medical Sciences, State University of Campinas, Campinas, Brazil
5. Division of Infectious Diseases, Internal Medicine Department, School of Medical Sciences, State University of Campinas, Campinas, Brazil