| article html file updated | 17 June 2015 09:07 CEST | Update | https://www.mdpi.com/1424-8220/13/5/6054 |
| article html file updated | 24 June 2013 12:00 CEST | Original file | - |
| article xml file uploaded | 24 June 2013 11:59 CEST | Original file | https://www.mdpi.com/1424-8220/13/5/6054/xml |
| article pdf uploaded. | 13 May 2013 14:44 CEST | Updated version of record | https://www.mdpi.com/1424-8220/13/5/6054/pdf |
| article pdf uploaded. | 10 May 2013 09:59 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/5/6054/pdf-vor |
