| article html file updated | 6 February 2020 12:40 CET | Update | https://www.mdpi.com/2072-666X/5/4/859 |
| article html file updated | 7 May 2019 07:27 CEST | Update | - |
| article html file updated | 22 March 2019 02:07 CET | Update | - |
| article html file updated | 20 August 2015 22:11 CEST | Update | - |
| article html file updated | 20 October 2014 11:40 CEST | Update | - |
| article xml file uploaded | 20 October 2014 11:40 CEST | Update | https://www.mdpi.com/2072-666X/5/4/859/xml |
| article html file updated | 14 October 2014 12:07 CEST | Original file | - |
| article xml file uploaded | 14 October 2014 12:07 CEST | Original file | - |
| article pdf uploaded. | 13 October 2014 08:20 CEST | Updated version of record | https://www.mdpi.com/2072-666X/5/4/859/pdf |
| article pdf uploaded. | 3 October 2014 09:27 CEST | Version of Record | https://www.mdpi.com/2072-666X/5/4/859/pdf-vor |