| article html file updated | 17 June 2015 09:21 CEST | Update | https://www.mdpi.com/1424-8220/13/5/6477 |
| article html file updated | 19 July 2013 09:02 CEST | Update | - |
| article xml file uploaded | 19 July 2013 09:02 CEST | Update | https://www.mdpi.com/1424-8220/13/5/6477/xml |
| article html file updated | 24 June 2013 12:06 CEST | Original file | - |
| article xml file uploaded | 24 June 2013 12:05 CEST | Original file | - |
| article pdf uploaded. | 16 May 2013 11:40 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/5/6477/pdf |
