| article html file updated | 5 February 2020 17:06 CET | Update | https://www.mdpi.com/1660-4601/8/4/1244 |
| article html file updated | 9 May 2019 01:11 CEST | Update | - |
| article html file updated | 20 March 2019 07:07 CET | Update | - |
| article html file updated | 16 June 2015 15:39 CEST | Update | - |
| article html file updated | 14 August 2014 12:07 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:07 CEST | Update | https://www.mdpi.com/1660-4601/8/4/1244/xml |
| article html file updated | 14 August 2014 11:42 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:42 CEST | Update | - |
| 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 20:47 CET | Update | - |
| article html file updated | 6 February 2013 00:38 CET | Update | - |
| article html file updated | 28 January 2013 22:05 CET | Update | - |
| article html file updated | 26 January 2013 02:12 CET | Update | - |
| article html file updated | 22 January 2013 14:46 CET | Original file | - |