The \u201cEuropean Scientific Journal\u201d, ESJ is a peer reviewed open access journal which accepts high quality research articles. The journal is issued monthly and is available to all researchers who are interested in publishing their scientific attainments. Supporting the concept of interdisciplinarity we welcome submissions in different academic areas. All articles must be in English, French or Spanish and have an English abstract. In the past few years, thousands of academicians, from over 120 countries around the globe, have published their papers in the European Scientific Journal, ESJ. The excellent and agile team, composed of distinguished researchers, from more than 150 universities worldwide, is crucial to the prestigious stat...