| article html file updated | 19 August 2015 12:31 CEST | Update | https://www.mdpi.com/1424-8220/13/12/16801 |
| article html file updated | 14 January 2014 08:59 CET | Original file | - |
| article xml file uploaded | 14 January 2014 08:59 CET | Original file | https://www.mdpi.com/1424-8220/13/12/16801/xml |
| article pdf uploaded. | 19 December 2013 09:09 CET | Updated version of record | https://www.mdpi.com/1424-8220/13/12/16801/pdf |
| article pdf uploaded. | 5 December 2013 11:47 CET | Version of Record | https://www.mdpi.com/1424-8220/13/12/16801/pdf-vor |
