| article html file updated | 20 August 2015 16:23 CEST | Update | https://www.mdpi.com/1424-8220/14/9/15687 |
| article html file updated | 24 October 2014 07:44 CEST | Original file | N/A |
| article xml file uploaded | 24 October 2014 07:44 CEST | Original file | https://www.mdpi.com/1424-8220/14/9/15687/xml |
| article pdf uploaded. | 25 August 2014 12:25 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/9/15687/pdf |
