| article html file updated | 19 August 2015 12:43 CEST | Update | https://www.mdpi.com/1424-8220/13/12/16940 |
| article html file updated | 14 January 2014 09:00 CET | Original file | - |
| article xml file uploaded | 14 January 2014 09:00 CET | Original file | https://www.mdpi.com/1424-8220/13/12/16940/xml |
| article pdf uploaded. | 6 December 2013 13:13 CET | Version of Record | https://www.mdpi.com/1424-8220/13/12/16940/pdf |
