| article html file updated | 20 August 2015 02:33 CEST | Update | https://www.mdpi.com/1424-8220/14/4/6500 |
| article html file updated | 25 July 2014 12:20 CEST | Update | N/A |
| article xml file uploaded | 25 July 2014 12:20 CEST | Update | https://www.mdpi.com/1424-8220/14/4/6500/xml |
| article html file updated | 20 May 2014 13:42 CEST | Original file | N/A |
| article xml file uploaded | 20 May 2014 13:41 CEST | Original file | N/A |
| article pdf uploaded. | 10 April 2014 16:00 CEST | Updated version of record | https://www.mdpi.com/1424-8220/14/4/6500/pdf |
| article pdf uploaded. | 9 April 2014 13:16 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/4/6500/pdf-vor |
