| article html file updated | 20 August 2015 18:02 CEST | Update | https://www.mdpi.com/1424-8220/14/9/16816 |
| article html file updated | 24 October 2014 07:50 CEST | Original file | - |
| article xml file uploaded | 24 October 2014 07:50 CEST | Original file | https://www.mdpi.com/1424-8220/14/9/16816/xml |
| article pdf uploaded. | 11 September 2014 10:29 CEST | Updated version of record | https://www.mdpi.com/1424-8220/14/9/16816/pdf |
| article pdf uploaded. | 10 September 2014 11:00 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/9/16816/pdf-vor |
