| article html file updated | 29 August 2025 20:26 CEST | Update | https://www.mdpi.com/2072-6643/4/8/1095 |
| article html file updated | 15 July 2022 21:55 CEST | Update | - |
| article html file updated | 5 February 2020 21:37 CET | Update | - |
| article html file updated | 8 May 2019 15:35 CEST | Update | - |
| article html file updated | 20 March 2019 11:34 CET | Update | - |
| article html file updated | 17 June 2015 01:44 CEST | Update | - |
| article html file updated | 7 February 2013 14:26 CET | Update | - |
| article html file updated | 7 February 2013 05:29 CET | Update | - |
| article html file updated | 6 February 2013 09:45 CET | Update | - |
| article html file updated | 29 January 2013 06:00 CET | Update | - |
| article html file updated | 27 January 2013 02:12 CET | Update | - |
| article html file updated | 24 January 2013 00:14 CET | Original file | - |
| Correction published | 26 October 2012 00:00 CEST | Correction | http://www.mdpi.com/2072-6643/4/11/1552 |
