| article html file updated | 21 August 2015 03:48 CEST | Update | https://www.mdpi.com/1424-8220/14/12/23697 |
| article html file updated | 20 January 2015 08:45 CET | Original file | N/A |
| article xml file uploaded | 20 January 2015 08:45 CET | Original file | https://www.mdpi.com/1424-8220/14/12/23697/xml |
| article pdf uploaded. | 12 December 2014 15:44 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/12/23697/pdf |
| article pdf uploaded. | 12 December 2014 09:16 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/12/23697/pdf-vor |
| article pdf uploaded. | 10 December 2014 10:44 CET | Version of Record | https://www.mdpi.com/1424-8220/14/12/23697/pdf-vor |
