| article html file updated | 5 February 2020 10:38 CET | Update | https://www.mdpi.com/1660-4601/4/4/296 |
| article html file updated | 9 May 2019 14:45 CEST | Update | - |
| article html file updated | 19 March 2019 15:09 CET | Update | - |
| article html file updated | 14 August 2014 11:41 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:41 CEST | Update | https://www.mdpi.com/1660-4601/4/4/296/xml |
| article html file updated | 14 August 2014 11:21 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:21 CEST | Update | - |
| article html file updated | 3 September 2013 12:17 CEST | Update | - |
| article xml file uploaded | 3 September 2013 12:17 CEST | Update | - |
| article html file updated | 5 August 2013 15:46 CEST | Original file | - |
| article xml file uploaded | 5 August 2013 15:45 CEST | Original file | - |