| article html file updated | 17 June 2015 13:15 CEST | Update | https://www.mdpi.com/2072-4292/5/9/4551 |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/2072-4292/5/9/4551/xml |
| article html file updated | 4 December 2013 14:24 CET | Update | - |
| article xml file uploaded | 4 December 2013 14:23 CET | Update | - |
| article html file updated | 14 October 2013 13:20 CEST | Original file | - |
| article xml file uploaded | 14 October 2013 13:20 CEST | Original file | - |
| article pdf uploaded. | 16 September 2013 12:38 CEST | Version of Record | https://www.mdpi.com/2072-4292/5/9/4551/pdf |
