| article html file updated | 19 August 2015 21:45 CEST | Update | https://www.mdpi.com/1424-8220/14/3/3921 |
| article html file updated | 25 July 2014 09:45 CEST | Update | - |
| article xml file uploaded | 25 July 2014 09:45 CEST | Update | https://www.mdpi.com/1424-8220/14/3/3921/xml |
| article html file updated | 2 May 2014 14:03 CEST | Original file | - |
| article xml file uploaded | 2 May 2014 14:03 CEST | Original file | - |
| article pdf uploaded. | 26 February 2014 09:57 CET | Version of Record | https://www.mdpi.com/1424-8220/14/3/3921/pdf |
