| article html file updated | 20 August 2015 18:58 CEST | Update | https://www.mdpi.com/1424-8220/14/9/17068 |
| article html file updated | 24 October 2014 07:51 CEST | Original file | - |
| article xml file uploaded | 24 October 2014 07:51 CEST | Original file | https://www.mdpi.com/1424-8220/14/9/17068/xml |
| article pdf uploaded. | 15 September 2014 10:30 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/9/17068/pdf |
