| article html file updated | 12 November 2015 03:45 CET | Update | https://www.mdpi.com/1424-8220/7/9/1683 |
| article xml file uploaded | 12 November 2015 03:45 CET | Update | https://www.mdpi.com/1424-8220/7/9/1683/xml |
| article html file updated | 27 November 2013 16:52 CET | Original file | N/A |
| article xml file uploaded | 27 November 2013 16:51 CET | Original file | N/A |
