| article html file updated | 6 February 2020 20:59 CET | Update | https://www.mdpi.com/2072-666X/6/8/969 |
| article html file updated | 6 May 2019 15:07 CEST | Update | - |
| article html file updated | 26 March 2019 07:15 CET | Update | - |
| article html file updated | 2 September 2015 06:12 CEST | Update | - |
| article xml file uploaded | 2 September 2015 06:12 CEST | Update | https://www.mdpi.com/2072-666X/6/8/969/xml |
| article html file updated | 21 August 2015 15:12 CEST | Update | - |
| article html file updated | 10 August 2015 11:59 CEST | Original file | - |
| article xml file uploaded | 10 August 2015 11:59 CEST | Original file | - |
| article pdf uploaded. | 24 July 2015 10:17 CEST | Updated version of record | https://www.mdpi.com/2072-666X/6/8/969/pdf |
| article pdf uploaded. | 23 July 2015 13:27 CEST | Version of Record | https://www.mdpi.com/2072-666X/6/8/969/pdf-vor |
