| article html file updated | 20 August 2015 08:27 CEST | Update | https://www.mdpi.com/1996-1073/7/6/3512 |
| article html file updated | 9 July 2014 09:46 CEST | Original file | N/A |
| article xml file uploaded | 9 July 2014 09:45 CEST | Original file | https://www.mdpi.com/1996-1073/7/6/3512/xml |
| article pdf uploaded. | 27 May 2014 15:02 CEST | Version of Record | https://www.mdpi.com/1996-1073/7/6/3512/pdf |
