| article html file updated | 5 February 2020 20:39 CET | Update | https://www.mdpi.com/2079-4983/3/2/418 |
| article html file updated | 8 May 2019 17:40 CEST | Update | - |
| article html file updated | 25 March 2019 11:41 CET | Update | - |
| article html file updated | 17 June 2015 00:14 CEST | Update | - |
| article html file updated | 18 March 2014 09:43 CET | Update | - |
| article xml file uploaded | 18 March 2014 09:43 CET | Original file | https://www.mdpi.com/2079-4983/3/2/418/xml |
| article html file updated | 7 February 2013 12:38 CET | Update | - |
| article html file updated | 7 February 2013 02:35 CET | Update | - |
| article html file updated | 6 February 2013 08:02 CET | Update | - |
| article html file updated | 29 January 2013 04:05 CET | Update | - |
| article html file updated | 26 January 2013 10:54 CET | Update | - |
| article html file updated | 23 January 2013 18:54 CET | Original file | - |
