| article html file updated | 19 August 2015 19:59 CEST | Update | https://www.mdpi.com/1996-1944/7/2/1046 |
| article html file updated | 3 June 2014 14:06 CEST | Original file | N/A |
| article xml file uploaded | 3 June 2014 14:05 CEST | Original file | https://www.mdpi.com/1996-1944/7/2/1046/xml |
| article pdf uploaded. | 11 February 2014 08:25 CET | Version of Record | https://www.mdpi.com/1996-1944/7/2/1046/pdf |
