| article html file updated | 5 February 2020 20:51 CET | Update | https://www.mdpi.com/2072-4292/4/6/1856 |
| article html file updated | 8 May 2019 17:12 CEST | Update | - |
| article html file updated | 25 March 2019 12:08 CET | Update | - |
| article html file updated | 17 June 2015 00:32 CEST | Update | - |
| article html file updated | 14 August 2014 12:05 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:05 CEST | Original file | https://www.mdpi.com/2072-4292/4/6/1856/xml |
| article html file updated | 7 February 2013 12:59 CET | Update | - |
| article html file updated | 7 February 2013 02:52 CET | Update | - |
| article html file updated | 6 February 2013 08:21 CET | Update | - |
| article html file updated | 29 January 2013 04:45 CET | Update | - |
| article html file updated | 26 January 2013 11:20 CET | Update | - |
| article html file updated | 23 January 2013 20:12 CET | Original file | - |
