| article html file updated | 21 August 2015 01:37 CEST | Update | https://www.mdpi.com/1996-1073/7/11/7223 |
| article html file updated | 9 December 2014 10:12 CET | Original file | - |
| article xml file uploaded | 9 December 2014 10:12 CET | Original file | https://www.mdpi.com/1996-1073/7/11/7223/xml |
| article pdf uploaded. | 10 November 2014 13:07 CET | Version of Record | https://www.mdpi.com/1996-1073/7/11/7223/pdf |
