| article html file updated | 19 August 2015 20:02 CEST | Update | https://www.mdpi.com/1996-1944/7/2/1122 |
| article html file updated | 3 June 2014 13:46 CEST | Original file | - |
| article xml file uploaded | 3 June 2014 13:45 CEST | Original file | https://www.mdpi.com/1996-1944/7/2/1122/xml |
| article pdf uploaded. | 11 February 2014 10:26 CET | Version of Record | https://www.mdpi.com/1996-1944/7/2/1122/pdf |
