Statistical analyses were performed by using the Statistical Package for the Social Sciences SPSS 13.0 SPSS Inc., Chicago, IL, USA.
Los análisis estadísticos fueron hechos con el Statistical Package for Social Sciences SPSS 13.0 SPSS Inc., Chicago, IL, USA.
As análises estatísticas foram feitas com o uso do Statistical Package for Social Sciences SPSS 13.0 SPSS Inc., Chicago, IL, EUA.