| article html file updated | 6 February 2020 08:00 CET | Update | https://www.mdpi.com/2072-4292/6/3/2468 |
| article html file updated | 7 May 2019 17:07 CEST | Update | - |
| article html file updated | 21 March 2019 14:07 CET | Update | - |
| article html file updated | 20 August 2015 00:20 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/2072-4292/6/3/2468/xml |
| article html file updated | 22 April 2014 12:47 CEST | Original file | - |
| article xml file uploaded | 22 April 2014 12:47 CEST | Original file | - |
| article pdf uploaded. | 19 March 2014 12:12 CET | Version of Record | https://www.mdpi.com/2072-4292/6/3/2468/pdf |