| article html file updated | 17 June 2015 08:38 CEST | Update | https://www.mdpi.com/1424-8220/13/4/5381 |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/1424-8220/13/4/5381/xml |
| article html file updated | 5 June 2013 12:04 CEST | Original file | - |
| article xml file uploaded | 5 June 2013 12:04 CEST | Original file | - |
| article pdf uploaded. | 23 April 2013 17:18 CEST | Updated version of record | https://www.mdpi.com/1424-8220/13/4/5381/pdf |
| article pdf uploaded. | 22 April 2013 13:30 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/4/5381/pdf-vor |
