Statistical analyses were done using GraphPad Prism version 5.0 GraphPad Software, Inc., San Diego, CA or SPSS version 13.0 SPSS Inc., Chicago, IL.
Los análisis se hicieron usando el GraphPad Prism versión 5.0 GraphPad Software, Inc., San Diego, CA o el SPSS versión 13.0 SPSS Inc., Chicago, IL.
As análises foram realizadas usando o GraphPad Prism versão 5.0 GraphPad Software, Inc., San Diego, CA ou o SPSS versão 13.0 SPSS Inc., Chicago, IL.