| article html file updated | 20 August 2015 05:11 CEST | Update | https://www.mdpi.com/1996-1944/7/5/3453 |
| article html file updated | 30 July 2014 12:21 CEST | Original file | - |
| article xml file uploaded | 30 July 2014 12:21 CEST | Original file | https://www.mdpi.com/1996-1944/7/5/3453/xml |
| article pdf uploaded. | 6 May 2014 09:30 CEST | Updated version of record | https://www.mdpi.com/1996-1944/7/5/3453/pdf |
| article pdf uploaded. | 30 April 2014 15:27 CEST | Version of Record | https://www.mdpi.com/1996-1944/7/5/3453/pdf-vor |
