| article html file updated | 6 February 2020 06:28 CET | Update | https://www.mdpi.com/2072-4292/6/1/443 |
| article html file updated | 7 May 2019 20:20 CEST | Update | - |
| article html file updated | 21 March 2019 10:15 CET | Update | - |
| article html file updated | 19 August 2015 15:44 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/2072-4292/6/1/443/xml |
| article html file updated | 6 February 2014 08:45 CET | Original file | - |
| article xml file uploaded | 6 February 2014 08:45 CET | Original file | - |
| article pdf uploaded. | 30 December 2013 10:07 CET | Version of Record | https://www.mdpi.com/2072-4292/6/1/443/pdf |
