| article html file updated | 16 June 2015 17:13 CEST | Update | https://www.mdpi.com/2073-4425/2/3/449 |
| article html file updated | 18 March 2014 09:32 CET | Update | - |
| article xml file uploaded | 18 March 2014 09:32 CET | Update | https://www.mdpi.com/2073-4425/2/3/449/xml |
| article html file updated | 6 February 2013 21:49 CET | Update | - |
| article html file updated | 6 February 2013 01:38 CET | Update | - |
| article html file updated | 29 January 2013 15:46 CET | Update | - |
| article xml file uploaded | 29 January 2013 15:46 CET | Update | - |
| article html file updated | 28 January 2013 23:02 CET | Update | - |
| article html file updated | 26 January 2013 03:39 CET | Update | - |
| article html file updated | 22 January 2013 19:02 CET | Update | - |
| article html file updated | 16 January 2013 13:10 CET | Original file | - |
| article xml file uploaded | 16 January 2013 13:09 CET | Original file | - |
| Correction published | 16 August 2011 00:00 CEST | Correction | http://www.mdpi.com/2073-4425/2/3/599 |
