- Correspondence to Dr Margareth C Portela, Departamento de Administração e Planejamento em Saúde, Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz, Rua Leopoldo Bulhões 1480, sala 724—Manguinhos, Rio de Janeiro, RJ 21041-210, Brazil;
- Received September 25, 2014
- Revised February 13, 2015
- Accepted February 16, 2015
- First published June 4, 2015.
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