| article html file updated | 5 February 2020 17:10 CET | Update | https://www.mdpi.com/2072-6694/3/2/2243 |
| article html file updated | 8 January 2020 13:38 CET | Update | - |
| article html file updated | 19 September 2019 04:07 CEST | Update | - |
| article html file updated | 9 May 2019 01:03 CEST | Update | - |
| article html file updated | 20 March 2019 07:17 CET | Update | - |
| article html file updated | 16 June 2015 15:50 CEST | Update | - |
| article html file updated | 4 September 2013 15:07 CEST | Update | - |
| article xml file uploaded | 4 September 2013 15:07 CEST | Update | https://www.mdpi.com/2072-6694/3/2/2243/xml |
| article html file updated | 30 August 2013 09:01 CEST | Update | - |
| article xml file uploaded | 30 August 2013 09:01 CEST | Update | - |
| article html file updated | 29 August 2013 08:59 CEST | Update | - |
| article xml file uploaded | 29 August 2013 08:59 CEST | Update | - |
| article html file updated | 27 August 2013 11:51 CEST | Update | - |
| article xml file uploaded | 27 August 2013 11:51 CEST | Original file | - |
| article html file updated | 6 February 2013 20:54 CET | Update | - |
| article html file updated | 6 February 2013 00:46 CET | Update | - |
| article html file updated | 28 January 2013 22:12 CET | Update | - |
| article html file updated | 26 January 2013 02:22 CET | Update | - |
| article html file updated | 22 January 2013 15:20 CET | Original file | - |
