| article html file updated | 5 February 2020 12:23 CET | Update | https://www.mdpi.com/1422-0067/10/7/3194 |
| article html file updated | 9 May 2019 11:02 CEST | Update | N/A |
| article html file updated | 19 March 2019 18:56 CET | Update | N/A |
| article html file updated | 16 June 2015 06:38 CEST | Update | N/A |
| article html file updated | 6 February 2013 15:22 CET | Update | N/A |
| article html file updated | 5 February 2013 19:28 CET | Update | N/A |
| article html file updated | 28 January 2013 17:11 CET | Update | N/A |
| article html file updated | 25 January 2013 19:23 CET | Update | N/A |
| article html file updated | 21 January 2013 15:24 CET | Update | N/A |
| article html file updated | 17 January 2013 22:08 CET | Original file | N/A |
| Correction published | 11 November 2009 00:00 CET | Correction | http://www.mdpi.com/1422-0067/10/11/4953 |
