| article html file updated | 20 August 2015 01:22 CEST | Update | https://www.mdpi.com/1424-8220/14/4/6012 |
| article html file updated | 25 July 2014 12:17 CEST | Update | N/A |
| article xml file uploaded | 25 July 2014 12:17 CEST | Update | https://www.mdpi.com/1424-8220/14/4/6012/xml |
| article html file updated | 20 May 2014 13:45 CEST | Original file | N/A |
| article xml file uploaded | 20 May 2014 13:45 CEST | Original file | N/A |
| article pdf uploaded. | 28 March 2014 14:52 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/4/6012/pdf |
| article pdf uploaded. | 27 March 2014 11:31 CET | Version of Record | https://www.mdpi.com/1424-8220/14/4/6012/pdf-vor |
