| article html file updated | 16 June 2015 04:42 CEST | Update | https://www.mdpi.com/1424-8220/8/8/4725 |
| article html file updated | 9 August 2013 08:26 CEST | Update | N/A |
| article xml file uploaded | 9 August 2013 08:26 CEST | Update | https://www.mdpi.com/1424-8220/8/8/4725/xml |
| article html file updated | 3 July 2013 16:52 CEST | Original file | N/A |
| article xml file uploaded | 3 July 2013 16:52 CEST | Original file | N/A |
