| article html file updated | 17 June 2015 09:02 CEST | Update | https://www.mdpi.com/1424-8220/13/5/5777 |
| article html file updated | 24 June 2013 11:57 CEST | Original file | - |
| article xml file uploaded | 24 June 2013 11:56 CEST | Original file | https://www.mdpi.com/1424-8220/13/5/5777/xml |
| article pdf uploaded. | 6 May 2013 11:39 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/5/5777/pdf |
