| article html file updated | 19 August 2015 15:08 CEST | Update | https://www.mdpi.com/1424-8220/14/1/468 |
| article html file updated | 20 February 2014 09:05 CET | Original file | - |
| article xml file uploaded | 20 February 2014 09:04 CET | Original file | https://www.mdpi.com/1424-8220/14/1/468/xml |
| article pdf uploaded. | 27 December 2013 10:09 CET | Version of Record | https://www.mdpi.com/1424-8220/14/1/468/pdf |
