| article html file updated | 6 February 2020 09:25 CET | Update | https://www.mdpi.com/1999-4923/6/2/235 |
| article html file updated | 7 May 2019 14:12 CEST | Update | N/A |
| article html file updated | 21 March 2019 17:27 CET | Update | N/A |
| article html file updated | 20 August 2015 07:56 CEST | Update | N/A |
| article html file updated | 8 July 2014 10:36 CEST | Update | N/A |
| article xml file uploaded | 8 July 2014 10:36 CEST | Update | https://www.mdpi.com/1999-4923/6/2/235/xml |
| article html file updated | 8 July 2014 03:50 CEST | Original file | N/A |
| article xml file uploaded | 8 July 2014 03:50 CEST | Original file | N/A |
| article supplementary file uploaded. | 22 May 2014 11:54 CEST | - | https://www.mdpi.com/1999-4923/6/2/235#supplementary |
| article pdf uploaded. | 22 May 2014 11:54 CEST | Version of Record | https://www.mdpi.com/1999-4923/6/2/235/pdf |