| article html file updated | 5 February 2020 19:37 CET | Update | https://www.mdpi.com/1422-0067/13/3/2769 |
| article html file updated | 8 May 2019 19:57 CEST | Update | - |
| article html file updated | 25 March 2019 09:41 CET | Update | - |
| article html file updated | 16 June 2015 22:06 CEST | Update | - |
| article html file updated | 7 February 2013 10:52 CET | Update | - |
| article html file updated | 7 February 2013 00:58 CET | Update | - |
| article html file updated | 6 February 2013 06:21 CET | Update | - |
| article html file updated | 29 January 2013 02:00 CET | Update | - |
| article html file updated | 26 January 2013 08:32 CET | Update | - |
| article html file updated | 23 January 2013 11:30 CET | Original file | - |
| Correction published | 18 December 2012 00:00 CET | Correction | http://www.mdpi.com/1422-0067/13/12/17295 |
