| article html file updated | 20 August 2015 03:02 CEST | Update | https://www.mdpi.com/1996-1944/7/4/2978 |
| article html file updated | 3 June 2014 14:55 CEST | Original file | - |
| article xml file uploaded | 3 June 2014 14:55 CEST | Original file | https://www.mdpi.com/1996-1944/7/4/2978/xml |
| article pdf uploaded. | 11 April 2014 11:27 CEST | Version of Record | https://www.mdpi.com/1996-1944/7/4/2978/pdf |
