| article html file updated | 6 February 2020 00:15 CET | Update | https://www.mdpi.com/1422-0067/14/2/2559 |
| article html file updated | 8 May 2019 09:12 CEST | Update | - |
| article html file updated | 20 March 2019 17:51 CET | Update | - |
| article html file updated | 17 June 2015 05:52 CEST | Update | - |
| article html file updated | 3 December 2013 08:14 CET | Update | - |
| article xml file uploaded | 3 December 2013 08:14 CET | Update | https://www.mdpi.com/1422-0067/14/2/2559/xml |
| article html file updated | 5 March 2013 18:38 CET | Original file | - |
| article xml file uploaded | 5 March 2013 18:37 CET | Original file | - |
| article pdf uploaded. | 28 January 2013 10:57 CET | Version of Record | https://www.mdpi.com/1422-0067/14/2/2559/pdf |
