| article html file updated | 20 August 2015 17:27 CEST | Update | https://www.mdpi.com/1424-8220/14/9/16508 |
| article html file updated | 24 October 2014 07:48 CEST | Original file | - |
| article xml file uploaded | 24 October 2014 07:48 CEST | Original file | https://www.mdpi.com/1424-8220/14/9/16508/xml |
| article pdf uploaded. | 5 September 2014 16:08 CEST | Updated version of record | https://www.mdpi.com/1424-8220/14/9/16508/pdf |
| article pdf uploaded. | 4 September 2014 10:46 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/9/16508/pdf-vor |
