Data were organized using Microsoft Office Excel 2007 and analyzed using the Statistical Analysis System SAS - System for Windows, version 9.1.3 - 2002/2003.
Los datos se organizaron en el programa Microsoft Office Excel 2007 y se analizaron por medio del programa Statistical Analysis System SAS - System for Windows, versión 9.1.3 - 2002/2003.
Os dados foram organizados no programa Microsoft® Office Excel 2007 e analisados por meio do programa Statistical Analysis System SAS - System for Windows®, versão 9.1.3 - 2002/2003.