| article html file updated | 20 August 2015 01:34 CEST | Update | https://www.mdpi.com/1424-8220/14/4/6207 |
| article html file updated | 25 July 2014 12:18 CEST | Update | - |
| article xml file uploaded | 25 July 2014 12:18 CEST | Update | https://www.mdpi.com/1424-8220/14/4/6207/xml |
| article html file updated | 20 May 2014 13:56 CEST | Original file | - |
| article xml file uploaded | 20 May 2014 13:56 CEST | Original file | - |
| article pdf uploaded. | 28 March 2014 10:44 CET | Version of Record | https://www.mdpi.com/1424-8220/14/4/6207/pdf |
