| article html file updated | 5 February 2020 23:56 CET | Update | https://www.mdpi.com/2072-6651/5/1/120 |
| article html file updated | 8 May 2019 09:57 CEST | Update | - |
| article html file updated | 20 March 2019 17:03 CET | Update | - |
| article html file updated | 17 June 2015 05:25 CEST | Update | - |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/2072-6651/5/1/120/xml |
| article html file updated | 8 February 2013 09:28 CET | Update | - |
| article html file updated | 7 February 2013 17:47 CET | Update | - |
| article html file updated | 5 February 2013 12:16 CET | Update | - |
| article xml file uploaded | 5 February 2013 12:16 CET | Original file | - |
| article html file updated | 24 January 2013 12:12 CET | Original file | - |