| article html file updated | 6 February 2020 20:19 CET | Update | https://www.mdpi.com/2072-666X/6/7/842 |
| article html file updated | 6 May 2019 16:28 CEST | Update | - |
| article html file updated | 26 March 2019 05:55 CET | Update | - |
| article html file updated | 21 August 2015 14:27 CEST | Update | - |
| article html file updated | 28 July 2015 12:27 CEST | Original file | - |
| article xml file uploaded | 28 July 2015 12:27 CEST | Original file | https://www.mdpi.com/2072-666X/6/7/842/xml |
| article pdf uploaded. | 3 July 2015 12:28 CEST | Version of Record | https://www.mdpi.com/2072-666X/6/7/842/pdf |
