| article html file updated | 21 August 2015 01:46 CEST | Update | https://www.mdpi.com/1424-8220/14/11/21409 |
| article html file updated | 29 December 2014 02:53 CET | Original file | - |
| article xml file uploaded | 29 December 2014 02:53 CET | Original file | https://www.mdpi.com/1424-8220/14/11/21409/xml |
| article pdf uploaded. | 14 November 2014 14:26 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/11/21409/pdf |
| article pdf uploaded. | 14 November 2014 09:23 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/11/21409/pdf-vor |
| article pdf uploaded. | 12 November 2014 12:00 CET | Version of Record | https://www.mdpi.com/1424-8220/14/11/21409/pdf-vor |
