| article html file updated | 20 August 2015 19:58 CEST | Update | https://www.mdpi.com/2072-4292/6/9/8844 |
| 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/2072-4292/6/9/8844/xml |
| article pdf uploaded. | 19 September 2014 10:48 CEST | Version of Record | https://www.mdpi.com/2072-4292/6/9/8844/pdf |
