| article html file updated | 19 August 2015 14:58 CEST | Update | https://www.mdpi.com/1424-8220/14/1/272 |
| article html file updated | 20 February 2014 08:59 CET | Original file | - |
| article xml file uploaded | 20 February 2014 08:58 CET | Original file | https://www.mdpi.com/1424-8220/14/1/272/xml |
| article pdf uploaded. | 30 December 2013 17:15 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/1/272/pdf |
| article pdf uploaded. | 30 December 2013 17:13 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/1/272/pdf-vor |
| article pdf uploaded. | 24 December 2013 11:25 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/1/272/pdf-vor |
| article pdf uploaded. | 24 December 2013 11:24 CET | Version of Record | https://www.mdpi.com/1424-8220/14/1/272/pdf-vor |
