| article html file updated | 6 February 2020 00:21 CET | Update | https://www.mdpi.com/1422-0067/14/2/3094 |
| article html file updated | 8 May 2019 08:57 CEST | Update | - |
| article html file updated | 20 March 2019 18:06 CET | Update | - |
| article html file updated | 17 June 2015 06:05 CEST | Update | - |
| article html file updated | 3 December 2013 08:15 CET | Update | - |
| article xml file uploaded | 3 December 2013 08:15 CET | Update | https://www.mdpi.com/1422-0067/14/2/3094/xml |
| article html file updated | 5 March 2013 19:02 CET | Original file | - |
| article xml file uploaded | 5 March 2013 19:02 CET | Original file | - |
| article pdf uploaded. | 6 February 2013 16:34 CET | Updated version of record | https://www.mdpi.com/1422-0067/14/2/3094/pdf |
| article pdf uploaded. | 1 February 2013 09:52 CET | Version of Record | - |
