| article html file updated | 5 February 2020 21:45 CET | Update | https://www.mdpi.com/2077-0375/2/3/585 |
| article html file updated | 8 May 2019 15:17 CEST | Update | - |
| article html file updated | 20 March 2019 11:55 CET | Update | - |
| article html file updated | 17 June 2015 01:57 CEST | Update | - |
| article html file updated | 18 March 2014 09:50 CET | Update | - |
| article xml file uploaded | 18 March 2014 09:50 CET | Original file | https://www.mdpi.com/2077-0375/2/3/585/xml |
| article html file updated | 7 February 2013 14:39 CET | Update | - |
| article html file updated | 7 February 2013 05:42 CET | Update | - |
| article html file updated | 6 February 2013 09:59 CET | Update | - |
| article html file updated | 29 January 2013 06:15 CET | Update | - |
| article html file updated | 27 January 2013 05:51 CET | Update | - |
| article html file updated | 24 January 2013 00:56 CET | Original file | - |
