| article html file updated | 5 February 2020 19:43 CET | Update | https://www.mdpi.com/1424-8247/5/3/297 |
| article html file updated | 8 May 2019 19:45 CEST | Update | - |
| article html file updated | 25 March 2019 09:52 CET | Update | - |
| article html file updated | 16 June 2015 22:18 CEST | Update | - |
| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Update | https://www.mdpi.com/1424-8247/5/3/297/xml |
| article html file updated | 6 August 2013 16:03 CEST | Update | - |
| article xml file uploaded | 6 August 2013 16:03 CEST | Original file | - |
| article html file updated | 7 February 2013 11:01 CET | Update | - |
| article html file updated | 7 February 2013 01:06 CET | Update | - |
| article html file updated | 6 February 2013 06:30 CET | Update | - |
| article html file updated | 29 January 2013 02:09 CET | Update | - |
| article html file updated | 26 January 2013 08:44 CET | Update | - |
| article html file updated | 23 January 2013 12:23 CET | Original file | - |
