| article html file updated | 6 February 2020 13:07 CET | Update | https://www.mdpi.com/1996-1073/7/11/6825 |
| article html file updated | 20 September 2019 14:08 CEST | Update | - |
| article html file updated | 7 May 2019 06:32 CEST | Update | - |
| article html file updated | 25 March 2019 16:32 CET | Update | - |
| article html file updated | 21 August 2015 00:23 CEST | Update | - |
| article html file updated | 10 December 2014 09:53 CET | Original file | - |
| article xml file uploaded | 10 December 2014 09:53 CET | Original file | https://www.mdpi.com/1996-1073/7/11/6825/xml |
| article pdf uploaded. | 28 October 2014 09:43 CET | Updated version of record | https://www.mdpi.com/1996-1073/7/11/6825/pdf |
| article pdf uploaded. | 24 October 2014 17:08 CEST | Version of Record | https://www.mdpi.com/1996-1073/7/11/6825/pdf-vor |
