| article html file updated | 20 August 2015 23:04 CEST | Update | https://www.mdpi.com/1996-1073/7/10/6571 |
| article html file updated | 10 November 2014 07:31 CET | Original file | - |
| article xml file uploaded | 10 November 2014 07:31 CET | Original file | https://www.mdpi.com/1996-1073/7/10/6571/xml |
| article pdf uploaded. | 14 October 2014 14:59 CEST | Version of Record | https://www.mdpi.com/1996-1073/7/10/6571/pdf |
