| article html file updated | 6 February 2020 12:58 CET | Update | https://www.mdpi.com/1996-1073/7/10/6741 |
| article html file updated | 7 May 2019 06:51 CEST | Update | - |
| article html file updated | 22 March 2019 02:59 CET | Update | - |
| article html file updated | 20 August 2015 23:44 CEST | Update | - |
| article html file updated | 10 November 2014 11:17 CET | Original file | - |
| article xml file uploaded | 10 November 2014 11:17 CET | Original file | https://www.mdpi.com/1996-1073/7/10/6741/xml |
| article pdf uploaded. | 21 October 2014 14:17 CEST | Updated version of record | https://www.mdpi.com/1996-1073/7/10/6741/pdf |
| article pdf uploaded. | 20 October 2014 14:22 CEST | Version of Record | https://www.mdpi.com/1996-1073/7/10/6741/pdf-vor |
