| article html file updated | 20 August 2015 15:44 CEST | Update | https://www.mdpi.com/2072-4292/6/8/7660 |
| article html file updated | 18 September 2014 12:43 CEST | Original file | - |
| article xml file uploaded | 18 September 2014 12:43 CEST | Original file | https://www.mdpi.com/2072-4292/6/8/7660/xml |
| article pdf uploaded. | 19 August 2014 09:08 CEST | Version of Record | https://www.mdpi.com/2072-4292/6/8/7660/pdf |
