| article html file updated | 20 August 2015 19:45 CEST | Update | https://www.mdpi.com/1424-8220/14/9/17451 |
| article html file updated | 24 October 2014 07:53 CEST | Original file | N/A |
| article xml file uploaded | 24 October 2014 07:53 CEST | Original file | https://www.mdpi.com/1424-8220/14/9/17451/xml |
| article pdf uploaded. | 18 September 2014 13:29 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/9/17451/pdf |
