| article html file updated | 12 November 2015 03:45 CET | Update | https://www.mdpi.com/1424-8220/7/9/1871 |
| article xml file uploaded | 12 November 2015 03:45 CET | Update | https://www.mdpi.com/1424-8220/7/9/1871/xml |
| article html file updated | 14 August 2014 12:05 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:05 CEST | Update | N/A |
| article html file updated | 27 November 2013 16:59 CET | Original file | N/A |
| article xml file uploaded | 27 November 2013 16:58 CET | Original file | N/A |
