| article html file updated | 20 August 2015 08:17 CEST | Update | https://www.mdpi.com/1424-8220/14/6/9408 |
| article html file updated | 30 July 2014 08:26 CEST | Original file | N/A |
| article xml file uploaded | 30 July 2014 08:26 CEST | Original file | https://www.mdpi.com/1424-8220/14/6/9408/xml |
| article pdf uploaded. | 26 May 2014 14:49 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/6/9408/pdf |
