| article html file updated | 20 August 2015 17:40 CEST | Update | https://www.mdpi.com/2072-4292/6/9/8446 |
| 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/2072-4292/6/9/8446/xml |
| article pdf uploaded. | 5 September 2014 14:01 CEST | Version of Record | https://www.mdpi.com/2072-4292/6/9/8446/pdf |
