| article html file updated | 20 August 2015 16:52 CEST | Update | https://www.mdpi.com/1424-8220/14/9/15981 |
| article html file updated | 24 October 2014 07:46 CEST | Original file | - |
| article xml file uploaded | 24 October 2014 07:46 CEST | Original file | https://www.mdpi.com/1424-8220/14/9/15981/xml |
| article pdf uploaded. | 2 September 2014 14:11 CEST | Updated version of record | https://www.mdpi.com/1424-8220/14/9/15981/pdf |
| article pdf uploaded. | 28 August 2014 12:33 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/9/15981/pdf-vor |
