| article html file updated | 20 August 2015 16:50 CEST | Update | https://www.mdpi.com/1424-8220/14/9/15939 |
| article html file updated | 24 October 2014 07:46 CEST | Original file | N/A |
| article xml file uploaded | 24 October 2014 07:46 CEST | Original file | https://www.mdpi.com/1424-8220/14/9/15939/xml |
| article pdf uploaded. | 29 August 2014 14:15 CEST | Updated version of record | https://www.mdpi.com/1424-8220/14/9/15939/pdf |
| article pdf uploaded. | 28 August 2014 10:26 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/9/15939/pdf-vor |
