| article html file updated | 19 August 2015 12:05 CEST | Update | https://www.mdpi.com/1424-8220/13/12/16611 |
| article html file updated | 14 January 2014 08:57 CET | Original file | - |
| article xml file uploaded | 14 January 2014 08:57 CET | Original file | https://www.mdpi.com/1424-8220/13/12/16611/xml |
| article pdf uploaded. | 18 December 2013 20:02 CET | Updated version of record | https://www.mdpi.com/1424-8220/13/12/16611/pdf |
| article pdf uploaded. | 3 December 2013 10:54 CET | Version of Record | https://www.mdpi.com/1424-8220/13/12/16611/pdf-vor |
