| article html file updated | 6 February 2020 04:42 CET | Update | https://www.mdpi.com/2071-1050/5/10/4329 |
| article html file updated | 7 May 2019 23:45 CEST | Update | - |
| article html file updated | 21 March 2019 05:24 CET | Update | - |
| article html file updated | 17 June 2015 13:38 CEST | Update | - |
| article html file updated | 14 November 2014 11:02 CET | Original file | - |
| article xml file uploaded | 14 November 2014 11:02 CET | Original file | https://www.mdpi.com/2071-1050/5/10/4329/xml |
| article pdf uploaded. | 15 October 2013 17:52 CEST | Updated version of record | https://www.mdpi.com/2071-1050/5/10/4329/pdf |
| article pdf uploaded. | 2 October 2013 09:52 CEST | Version of Record | https://www.mdpi.com/2071-1050/5/10/4329/pdf-vor |
