| article html file updated | 20 August 2015 07:53 CEST | Update | https://www.mdpi.com/1996-1073/7/5/3420 |
| article html file updated | 30 June 2014 08:33 CEST | Original file | N/A |
| article xml file uploaded | 30 June 2014 08:33 CEST | Original file | https://www.mdpi.com/1996-1073/7/5/3420/xml |
| article pdf uploaded. | 22 May 2014 10:48 CEST | Version of Record | https://www.mdpi.com/1996-1073/7/5/3420/pdf |
