| article html file updated | 20 August 2015 20:09 CEST | Update | https://www.mdpi.com/2072-4292/6/9/8923 |
| 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/2072-4292/6/9/8923/xml |
| article pdf uploaded. | 25 September 2014 15:57 CEST | Updated version of record | https://www.mdpi.com/2072-4292/6/9/8923/pdf |
| article pdf uploaded. | 22 September 2014 09:24 CEST | Version of Record | https://www.mdpi.com/2072-4292/6/9/8923/pdf-vor |
