| article html file updated | 17 June 2015 08:58 CEST | Update | https://www.mdpi.com/1424-8220/13/5/5686 |
| article html file updated | 24 June 2013 11:55 CEST | Original file | - |
| article xml file uploaded | 24 June 2013 11:55 CEST | Original file | https://www.mdpi.com/1424-8220/13/5/5686/xml |
| article pdf uploaded. | 2 May 2013 11:34 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/5/5686/pdf |
