| article html file updated | 5 February 2020 19:09 CET | Update | https://www.mdpi.com/1422-0067/13/1/929 |
| article html file updated | 8 May 2019 20:54 CEST | Update | - |
| article html file updated | 25 March 2019 08:51 CET | Update | - |
| article html file updated | 16 June 2015 21:11 CEST | Update | - |
| article html file updated | 7 February 2013 09:48 CET | Update | - |
| article html file updated | 7 February 2013 00:19 CET | Update | - |
| article html file updated | 6 February 2013 05:36 CET | Update | - |
| article html file updated | 29 January 2013 01:21 CET | Update | - |
| article html file updated | 26 January 2013 07:34 CET | Update | - |
| article html file updated | 23 January 2013 07:54 CET | Original file | - |
| Correction published | 18 December 2012 00:00 CET | Correction | http://www.mdpi.com/1422-0067/13/12/17292 |
