| article html file updated | 20 August 2015 13:37 CEST | Update | https://www.mdpi.com/1996-1073/7/8/4727 |
| article html file updated | 2 September 2014 10:41 CEST | Original file | - |
| article xml file uploaded | 2 September 2014 10:41 CEST | Original file | https://www.mdpi.com/1996-1073/7/8/4727/xml |
| article pdf uploaded. | 24 July 2014 13:18 CEST | Version of Record | https://www.mdpi.com/1996-1073/7/8/4727/pdf |
