We used the Statistical Program for the Social Sciences SPSS, version 19.0 SPSS Inc., Chicago, IL, USA and R Statistical Software for all data analyses.
Se utilizó el Statistical Program for the Social Sciences SPSS, versión 19.0 SPSS Inc., Chicago, IL, EE.UU. y R Statistical Software para todos los análisis de datos.
Utilizou-se o Statistical Program for the Social Sciences SPSS, versão 19.0 SPSS Inc., Chicago, IL, EUA e R Statistical Software para todos as análise de dados.