[1] Univ Fed Sao Paulo, Grad Program Evidence Based Hlth, Rua Botucatu 740, BR-04023062 Sao Paulo, SP, Brazil
[2] San Diego State Univ, Grad Sch Publ Hlth, San Diego, CA 92182 USA
[3] Univ Fed Sao Paulo, Postgrad Program Evidence Based Hlth, Sao Paulo, Brazil
[4] Cochrane Brazil, Ctr Estudos Saude Baseada Evidencias & Avaliacao, Rua Borges Lagoa, Sao Paulo, SP, Brazil