| article html file updated | 17 June 2015 09:10 CEST | Update | https://www.mdpi.com/1424-8220/13/5/6141 |
| article html file updated | 24 June 2013 12:01 CEST | Original file | - |
| article xml file uploaded | 24 June 2013 12:00 CEST | Original file | https://www.mdpi.com/1424-8220/13/5/6141/xml |
| article pdf uploaded. | 10 May 2013 15:05 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/5/6141/pdf |
