| article html file updated | 20 August 2015 04:32 CEST | Update | https://www.mdpi.com/1424-8220/14/4/7451 |
| article html file updated | 25 July 2014 12:27 CEST | Update | N/A |
| article xml file uploaded | 25 July 2014 12:26 CEST | Update | https://www.mdpi.com/1424-8220/14/4/7451/xml |
| article html file updated | 20 May 2014 13:49 CEST | Original file | N/A |
| article xml file uploaded | 20 May 2014 13:49 CEST | Original file | N/A |
| article pdf uploaded. | 25 April 2014 08:29 CEST | Updated version of record | https://www.mdpi.com/1424-8220/14/4/7451/pdf |
| article pdf uploaded. | 24 April 2014 11:34 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/4/7451/pdf-vor |
