RetractionRetraction NoteAuthors: NJMR Editors .Email NJMR Editors .Toggle author information panelNJMR Editors .AbstractYear: 2014Volume: 4 Issue: 1Page/Article: 52DOI: 10.2478/njmr-2014-0013Published on 1 Mar 2014Peer ReviewedCC BY-NC-ND 4.0