| article html file updated | 20 August 2015 03:06 CEST | Update | https://www.mdpi.com/1424-8220/14/4/6758 |
| article html file updated | 25 July 2014 12:21 CEST | Update | - |
| article xml file uploaded | 25 July 2014 12:21 CEST | Update | https://www.mdpi.com/1424-8220/14/4/6758/xml |
| article html file updated | 20 May 2014 13:54 CEST | Original file | - |
| article xml file uploaded | 20 May 2014 13:53 CEST | Original file | - |
| article pdf uploaded. | 14 April 2014 14:59 CEST | Updated version of record | https://www.mdpi.com/1424-8220/14/4/6758/pdf |
| article pdf uploaded. | 11 April 2014 15:07 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/4/6758/pdf-vor |
