| article html file updated | 17 June 2015 09:12 CEST | Update | https://www.mdpi.com/1424-8220/13/5/6229 |
| article html file updated | 24 June 2013 12:03 CEST | Original file | N/A |
| article xml file uploaded | 24 June 2013 12:02 CEST | Original file | https://www.mdpi.com/1424-8220/13/5/6229/xml |
| article pdf uploaded. | 16 May 2013 15:49 CEST | Updated version of record | https://www.mdpi.com/1424-8220/13/5/6229/pdf |
| article pdf uploaded. | 14 May 2013 14:36 CEST | Updated version of record | https://www.mdpi.com/1424-8220/13/5/6229/pdf-vor |
| article pdf uploaded. | 13 May 2013 09:55 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/5/6229/pdf-vor |
