| article html file updated | 21 August 2015 01:20 CEST | Update | https://www.mdpi.com/1424-8220/14/11/21000 |
| 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/1424-8220/14/11/21000/xml |
| article pdf uploaded. | 17 November 2014 08:07 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/11/21000/pdf |
| article pdf uploaded. | 14 November 2014 14:32 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/11/21000/pdf-vor |
| article pdf uploaded. | 6 November 2014 11:53 CET | Version of Record | https://www.mdpi.com/1424-8220/14/11/21000/pdf-vor |
