| article html file updated | 21 August 2015 02:23 CEST | Update | https://www.mdpi.com/1996-1073/7/11/7694 |
| article html file updated | 9 December 2014 10:12 CET | Original file | - |
| article xml file uploaded | 9 December 2014 10:12 CET | Original file | https://www.mdpi.com/1996-1073/7/11/7694/xml |
| article pdf uploaded. | 20 November 2014 10:23 CET | Version of Record | https://www.mdpi.com/1996-1073/7/11/7694/pdf |
