| article html file updated | 19 August 2015 18:24 CEST | Update | https://www.mdpi.com/1424-8220/14/1/1877 |
| article html file updated | 20 February 2014 09:47 CET | Original file | N/A |
| article xml file uploaded | 20 February 2014 09:46 CET | Original file | https://www.mdpi.com/1424-8220/14/1/1877/xml |
| article pdf uploaded. | 22 January 2014 12:43 CET | Version of Record | https://www.mdpi.com/1424-8220/14/1/1877/pdf |
