| article html file updated | 19 August 2015 14:32 CEST | Update | https://www.mdpi.com/1424-8220/14/1/144 |
| article html file updated | 20 February 2014 08:54 CET | Original file | - |
| article xml file uploaded | 20 February 2014 08:53 CET | Original file | https://www.mdpi.com/1424-8220/14/1/144/xml |
| article pdf uploaded. | 30 December 2013 17:10 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/1/144/pdf |
| article pdf uploaded. | 23 December 2013 17:36 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/1/144/pdf-vor |
| article pdf uploaded. | 20 December 2013 11:18 CET | Version of Record | https://www.mdpi.com/1424-8220/14/1/144/pdf-vor |
