| article html file updated | 19 August 2015 16:46 CEST | Update | https://www.mdpi.com/1424-8220/14/1/877 |
| article html file updated | 20 February 2014 09:18 CET | Original file | - |
| article xml file uploaded | 20 February 2014 09:17 CET | Original file | https://www.mdpi.com/1424-8220/14/1/877/xml |
| article pdf uploaded. | 7 January 2014 13:44 CET | Version of Record | https://www.mdpi.com/1424-8220/14/1/877/pdf |
