| article html file updated | 5 February 2020 16:58 CET | Update | https://www.mdpi.com/2072-6694/3/2/1844 |
| article html file updated | 8 January 2020 13:25 CET | Update | - |
| article html file updated | 19 September 2019 03:45 CEST | Update | - |
| article html file updated | 9 May 2019 01:26 CEST | Update | - |
| article html file updated | 20 March 2019 06:40 CET | Update | - |
| article html file updated | 16 June 2015 15:17 CEST | Update | - |
| article html file updated | 4 September 2013 15:05 CEST | Update | - |
| article xml file uploaded | 4 September 2013 15:05 CEST | Update | https://www.mdpi.com/2072-6694/3/2/1844/xml |
| article html file updated | 30 August 2013 08:59 CEST | Update | - |
| article xml file uploaded | 30 August 2013 08:59 CEST | Update | - |
| article html file updated | 29 August 2013 08:57 CEST | Update | - |
| article xml file uploaded | 29 August 2013 08:57 CEST | Update | - |
| article html file updated | 27 August 2013 11:50 CEST | Update | - |
| article xml file uploaded | 27 August 2013 11:50 CEST | Original file | - |
| article html file updated | 6 February 2013 20:34 CET | Update | - |
| article html file updated | 6 February 2013 00:26 CET | Update | - |
| article html file updated | 28 January 2013 21:53 CET | Update | - |
| article html file updated | 26 January 2013 01:56 CET | Update | - |
| article html file updated | 22 January 2013 13:41 CET | Original file | - |
