| article html file updated | 5 February 2020 22:03 CET | Update | https://www.mdpi.com/2072-4292/4/9/2818 |
| article html file updated | 8 May 2019 14:37 CEST | Update | - |
| article html file updated | 20 March 2019 12:42 CET | Update | - |
| article html file updated | 17 June 2015 02:26 CEST | Update | - |
| article html file updated | 14 August 2014 12:05 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:05 CEST | Update | https://www.mdpi.com/2072-4292/4/9/2818/xml |
| article html file updated | 7 February 2013 15:08 CET | Update | - |
| article html file updated | 24 January 2013 02:28 CET | Update | - |
| article html file updated | 16 January 2013 14:46 CET | Original file | - |
| article xml file uploaded | 16 January 2013 14:45 CET | Original file | - |
