| article html file updated | 5 February 2020 19:02 CET | Update | https://www.mdpi.com/1424-8247/5/1/79 |
| article html file updated | 8 May 2019 21:07 CEST | Update | - |
| article html file updated | 25 March 2019 08:38 CET | Update | - |
| article html file updated | 16 June 2015 21:00 CEST | Update | - |
| article html file updated | 6 August 2013 16:00 CEST | Update | - |
| article xml file uploaded | 6 August 2013 16:00 CEST | Original file | https://www.mdpi.com/1424-8247/5/1/79/xml |
| article html file updated | 7 February 2013 09:38 CET | Update | - |
| article html file updated | 7 February 2013 00:10 CET | Update | - |
| article html file updated | 6 February 2013 05:27 CET | Update | - |
| article html file updated | 29 January 2013 01:13 CET | Update | - |
| article html file updated | 26 January 2013 07:21 CET | Update | - |
| article html file updated | 23 January 2013 07:08 CET | Original file | - |
