| article html file updated | 5 February 2020 11:48 CET | Update | https://www.mdpi.com/1660-4601/6/2/678 |
| article html file updated | 9 May 2019 12:40 CEST | Update | - |
| article html file updated | 19 March 2019 17:16 CET | Update | - |
| article html file updated | 16 June 2015 05:35 CEST | 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/1660-4601/6/2/678/xml |
| article html file updated | 14 August 2014 11:21 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:21 CEST | Original file | - |
| article html file updated | 6 February 2013 14:32 CET | Update | - |
| article html file updated | 5 February 2013 18:24 CET | Update | - |
| article html file updated | 28 January 2013 16:21 CET | Update | - |
| article html file updated | 25 January 2013 18:03 CET | Update | - |
| article html file updated | 21 January 2013 11:51 CET | Update | - |
| article html file updated | 18 January 2013 21:00 CET | Update | - |
| article html file updated | 17 January 2013 19:24 CET | Original file | - |