| article html file updated | 5 February 2020 16:34 CET | Update | https://www.mdpi.com/1660-4601/8/2/456 |
| article html file updated | 9 May 2019 02:13 CEST | Update | - |
| article html file updated | 20 March 2019 05:38 CET | Update | - |
| article html file updated | 16 June 2015 14:10 CEST | Update | - |
| article html file updated | 14 August 2014 11:42 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:42 CEST | Update | https://www.mdpi.com/1660-4601/8/2/456/xml |
| article html file updated | 14 August 2014 11:22 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:22 CEST | Original file | - |
| article html file updated | 6 February 2013 19:51 CET | Update | - |
| article html file updated | 5 February 2013 23:46 CET | Update | - |
| article html file updated | 28 January 2013 21:16 CET | Update | - |
| article html file updated | 26 January 2013 01:03 CET | Update | - |
| article html file updated | 22 January 2013 10:17 CET | Original file | - |
