| article html file updated | 20 August 2015 09:00 CEST | Update | https://www.mdpi.com/1424-8220/14/6/9813 |
| article html file updated | 30 July 2014 08:33 CEST | Original file | - |
| article xml file uploaded | 30 July 2014 08:33 CEST | Original file | https://www.mdpi.com/1424-8220/14/6/9813/xml |
| article pdf uploaded. | 4 June 2014 11:43 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/6/9813/pdf |
