| article html file updated | 20 August 2015 07:43 CEST | Update | https://www.mdpi.com/1996-1944/7/5/4019 |
| article html file updated | 30 July 2014 12:41 CEST | Original file | - |
| article xml file uploaded | 30 July 2014 12:41 CEST | Original file | https://www.mdpi.com/1996-1944/7/5/4019/xml |
| article pdf uploaded. | 21 May 2014 11:11 CEST | Version of Record | https://www.mdpi.com/1996-1944/7/5/4019/pdf |
