| article html file updated | 17 June 2015 13:19 CEST | Update | https://www.mdpi.com/1424-8220/13/9/12564 |
| article html file updated | 4 November 2013 10:35 CET | Original file | - |
| article xml file uploaded | 4 November 2013 10:35 CET | Original file | https://www.mdpi.com/1424-8220/13/9/12564/xml |
| article pdf uploaded. | 18 September 2013 11:55 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/9/12564/pdf |
