| article html file updated | 19 August 2015 16:18 CEST | Update | https://www.mdpi.com/1424-8220/14/1/606 |
| article html file updated | 20 February 2014 09:10 CET | Original file | N/A |
| article xml file uploaded | 20 February 2014 09:09 CET | Original file | https://www.mdpi.com/1424-8220/14/1/606/xml |
| article pdf uploaded. | 2 January 2014 10:45 CET | Version of Record | https://www.mdpi.com/1424-8220/14/1/606/pdf |
