| article html file updated | 20 August 2015 01:04 CEST | Update | https://www.mdpi.com/2072-4292/6/4/2699 |
| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Update | https://www.mdpi.com/2072-4292/6/4/2699/xml |
| article html file updated | 20 May 2014 13:24 CEST | Original file | - |
| article xml file uploaded | 20 May 2014 13:23 CEST | Original file | - |
| article pdf uploaded. | 26 March 2014 13:58 CET | Updated version of record | https://www.mdpi.com/2072-4292/6/4/2699/pdf |
| article pdf uploaded. | 25 March 2014 14:45 CET | Version of Record | https://www.mdpi.com/2072-4292/6/4/2699/pdf-vor |
