| article html file updated | 20 August 2015 19:11 CEST | Update | https://www.mdpi.com/2072-4292/6/9/8617 |
| article html file updated | 25 October 2014 13:28 CEST | Original file | - |
| article xml file uploaded | 25 October 2014 13:28 CEST | Original file | https://www.mdpi.com/2072-4292/6/9/8617/xml |
| article pdf uploaded. | 16 September 2014 11:31 CEST | Version of Record | https://www.mdpi.com/2072-4292/6/9/8617/pdf |
