| article html file updated | 24 February 2017 05:02 CET | Update | https://www.mdpi.com/1422-0067/14/2/4005 |
| article html file updated | 17 June 2015 06:38 CEST | Update | - |
| article html file updated | 3 December 2013 08:18 CET | Update | - |
| article xml file uploaded | 3 December 2013 08:17 CET | Update | https://www.mdpi.com/1422-0067/14/2/4005/xml |
| article html file updated | 5 March 2013 19:41 CET | Original file | - |
| article xml file uploaded | 5 March 2013 19:41 CET | Original file | - |
| article pdf uploaded. | 18 February 2013 11:27 CET | Version of Record | https://www.mdpi.com/1422-0067/14/2/4005/pdf |
