| article html file updated | 20 August 2015 08:09 CEST | Update | https://www.mdpi.com/1996-1073/7/5/3503 |
| article html file updated | 30 June 2014 08:34 CEST | Original file | - |
| article xml file uploaded | 30 June 2014 08:34 CEST | Original file | https://www.mdpi.com/1996-1073/7/5/3503/xml |
| article pdf uploaded. | 23 May 2014 14:16 CEST | Version of Record | https://www.mdpi.com/1996-1073/7/5/3503/pdf |
