| article html file updated | 6 February 2020 10:36 CET | Update | https://www.mdpi.com/1999-4923/6/3/378 |
| article html file updated | 7 May 2019 11:49 CEST | Update | - |
| article html file updated | 21 March 2019 20:34 CET | Update | - |
| article html file updated | 20 August 2015 12:22 CEST | Update | - |
| article html file updated | 9 October 2014 11:24 CEST | Update | - |
| article xml file uploaded | 9 October 2014 11:24 CEST | Update | https://www.mdpi.com/1999-4923/6/3/378/xml |
| article html file updated | 5 August 2014 10:34 CEST | Original file | - |
| article xml file uploaded | 5 August 2014 10:34 CEST | Original file | - |
| article pdf uploaded. | 23 July 2014 14:57 CEST | Updated version of record | https://www.mdpi.com/1999-4923/6/3/378/pdf |
| article pdf uploaded. | 10 July 2014 09:38 CEST | Version of Record | https://www.mdpi.com/1999-4923/6/3/378/pdf-vor |
