The data were organized in an Excelr spreadsheet, and the descriptive measures were calculated with the use of the SAS Statistical Analysis System program for Windows, version 9.0.
Los datos fueron organizados en planilla Excelr, y las medidas descriptivas calculadas con el uso del programa SAS Statistical Analysis System para Windows versión 9.0.
Os dados foram organizados em planilha Excelr, e as medidas descritivas calculadas com o uso do programa SAS Statistical Analysis System para Windows, versão 9.0.