This work was supported by the Institutional Program for Scientifc Initiation Scholarships (PIBIC) funded by the National Council for Scientifc and Technological Development (CNPq) and the Health Surveillance Secretariat of Ministry of Health of Brazil.; Minist?rio da Sa?de. Secretaria de Vigil?ncia em Sa?de. Instituto Evandro Chagas. Ananindeua, PA, Brasil.; Minist?rio da Sa?de. Secretaria de Vigil?ncia em Sa?...