| article html file updated | 20 August 2015 00:11 CEST | Update | https://www.mdpi.com/1996-1944/7/3/2242 |
| article html file updated | 3 June 2014 14:19 CEST | Original file | - |
| article xml file uploaded | 3 June 2014 14:18 CEST | Original file | https://www.mdpi.com/1996-1944/7/3/2242/xml |
| article pdf uploaded. | 18 March 2014 14:00 CET | Version of Record | https://www.mdpi.com/1996-1944/7/3/2242/pdf |
