| article html file updated | 19 August 2015 22:30 CEST | Update | https://www.mdpi.com/1996-1944/7/3/1850 |
| article html file updated | 3 June 2014 14:23 CEST | Original file | - |
| article xml file uploaded | 3 June 2014 14:23 CEST | Original file | https://www.mdpi.com/1996-1944/7/3/1850/xml |
| article pdf uploaded. | 5 March 2014 16:54 CET | Updated version of record | https://www.mdpi.com/1996-1944/7/3/1850/pdf |
| article pdf uploaded. | 4 March 2014 13:46 CET | Version of Record | https://www.mdpi.com/1996-1944/7/3/1850/pdf-vor |
