| article html file updated | 17 June 2015 12:46 CEST | Update | https://www.mdpi.com/2072-4292/5/9/4209 |
| article html file updated | 14 August 2014 12:06 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/2072-4292/5/9/4209/xml |
| article html file updated | 4 December 2013 14:20 CET | Update | N/A |
| article xml file uploaded | 4 December 2013 14:19 CET | Update | N/A |
| article html file updated | 14 October 2013 13:17 CEST | Original file | N/A |
| article xml file uploaded | 14 October 2013 13:16 CEST | Original file | N/A |
| article pdf uploaded. | 29 August 2013 11:48 CEST | Version of Record | https://www.mdpi.com/2072-4292/5/9/4209/pdf |
