| article html file updated | 5 February 2020 20:08 CET | Update | https://www.mdpi.com/2072-6694/4/2/420 |
| article html file updated | 8 May 2019 18:47 CEST | Update | - |
| article html file updated | 25 March 2019 10:36 CET | Update | - |
| article html file updated | 16 June 2015 23:18 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/2072-6694/4/2/420/xml |
| article html file updated | 14 August 2014 11:21 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:21 CEST | Update | - |
| article html file updated | 7 February 2013 11:50 CET | Update | - |
| article html file updated | 7 February 2013 01:49 CET | Update | - |
| article html file updated | 6 February 2013 07:15 CET | Update | - |
| article html file updated | 1 February 2013 09:34 CET | Update | - |
| article xml file uploaded | 1 February 2013 09:33 CET | Original file | - |
| article html file updated | 29 January 2013 02:53 CET | Update | - |
| article html file updated | 26 January 2013 09:49 CET | Update | - |
| article html file updated | 23 January 2013 15:38 CET | Original file | - |
