| article html file updated | 6 February 2020 07:09 CET | Update | https://www.mdpi.com/2072-4292/6/2/1294 |
| article html file updated | 7 May 2019 18:53 CEST | Update | - |
| article html file updated | 21 March 2019 12:04 CET | Update | - |
| article html file updated | 19 August 2015 19:46 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/2072-4292/6/2/1294/xml |
| article html file updated | 20 March 2014 10:23 CET | Original file | - |
| article xml file uploaded | 20 March 2014 10:23 CET | Original file | - |
| article pdf uploaded. | 7 February 2014 11:55 CET | Version of Record | https://www.mdpi.com/2072-4292/6/2/1294/pdf |
