| article html file updated | 20 August 2015 16:36 CEST | Update | https://www.mdpi.com/1424-8220/14/9/15815 |
| article html file updated | 24 October 2014 07:45 CEST | Original file | - |
| article xml file uploaded | 24 October 2014 07:45 CEST | Original file | https://www.mdpi.com/1424-8220/14/9/15815/xml |
| article pdf uploaded. | 28 August 2014 13:51 CEST | Updated version of record | https://www.mdpi.com/1424-8220/14/9/15815/pdf |
| article pdf uploaded. | 27 August 2014 08:02 CEST | Updated version of record | https://www.mdpi.com/1424-8220/14/9/15815/pdf-vor |
| article pdf uploaded. | 26 August 2014 13:49 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/9/15815/pdf-vor |
