| article html file updated | 20 August 2015 08:32 CEST | Update | https://www.mdpi.com/1424-8220/14/6/9505 |
| article html file updated | 30 July 2014 08:28 CEST | Original file | - |
| article xml file uploaded | 30 July 2014 08:28 CEST | Original file | https://www.mdpi.com/1424-8220/14/6/9505/xml |
| article pdf uploaded. | 28 May 2014 11:38 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/6/9505/pdf |
