| article html file updated | 29 August 2025 20:31 CEST | Update | https://www.mdpi.com/2079-4983/3/4/864 |
| article html file updated | 15 July 2022 22:04 CEST | Update | - |
| article html file updated | 5 February 2020 23:14 CET | Update | - |
| article html file updated | 8 May 2019 11:32 CEST | Update | - |
| article html file updated | 20 March 2019 15:32 CET | Update | - |
| article html file updated | 17 June 2015 04:31 CEST | Update | - |
| article html file updated | 5 March 2015 11:20 CET | Update | - |
| article xml file uploaded | 5 March 2015 11:20 CET | Update | https://www.mdpi.com/2079-4983/3/4/864/xml |
| article html file updated | 18 March 2014 09:45 CET | Update | - |
| article xml file uploaded | 18 March 2014 09:45 CET | Original file | - |
| article html file updated | 7 February 2013 17:10 CET | Update | - |
| article html file updated | 24 January 2013 10:11 CET | Original file | - |
