Error:URL rejected: Malformed input to a URL function Www.elsevier.com/locate/ejim Theauthorsdeclarethattheyhavenoconflictofinterestregardingthisstudy.correspondingauthor.tel.: 34937231010;fax: 34937160646.e Mailaddress:mmonteagudo@cspt.es(m.m.jim - PowerPoint Presentations and PDF Documents