| article html file updated | 20 August 2015 16:29 CEST | Update | https://www.mdpi.com/2072-4292/6/9/7911 |
| 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/2072-4292/6/9/7911/xml |
| article pdf uploaded. | 1 September 2014 08:07 CEST | Updated version of record | https://www.mdpi.com/2072-4292/6/9/7911/pdf |
| article pdf uploaded. | 25 August 2014 14:29 CEST | Version of Record | https://www.mdpi.com/2072-4292/6/9/7911/pdf-vor |
