| article html file updated | 20 August 2015 02:05 CEST | Update | https://www.mdpi.com/1996-1944/7/4/2747 |
| article html file updated | 3 June 2014 14:43 CEST | Original file | N/A |
| article xml file uploaded | 3 June 2014 14:41 CEST | Original file | https://www.mdpi.com/1996-1944/7/4/2747/xml |
| article pdf uploaded. | 2 April 2014 15:55 CEST | Version of Record | https://www.mdpi.com/1996-1944/7/4/2747/pdf |
