| article html file updated | 6 February 2020 14:46 CET | Update | https://www.mdpi.com/2072-666X/6/1/80 |
| article html file updated | 7 May 2019 03:21 CEST | Update | - |
| article html file updated | 25 March 2019 19:48 CET | Update | - |
| article html file updated | 21 August 2015 04:51 CEST | Update | - |
| article html file updated | 22 January 2015 10:32 CET | Update | - |
| article xml file uploaded | 22 January 2015 10:32 CET | Update | https://www.mdpi.com/2072-666X/6/1/80/xml |
| article html file updated | 20 January 2015 08:36 CET | Original file | - |
| article xml file uploaded | 20 January 2015 08:36 CET | Original file | - |
| article pdf uploaded. | 24 December 2014 17:07 CET | Version of Record | https://www.mdpi.com/2072-666X/6/1/80/pdf |
