| article html file updated | 5 February 2020 23:33 CET | Update | https://www.mdpi.com/2078-1547/3/2/290 |
| article html file updated | 8 May 2019 10:49 CEST | Update | - |
| article html file updated | 20 March 2019 16:11 CET | Update | - |
| article html file updated | 17 June 2015 04:56 CEST | Update | - |
| article html file updated | 7 February 2013 17:34 CET | Update | - |
| article supplementary file uploaded. | 5 February 2013 16:48 CET | - | https://www.mdpi.com/2078-1547/3/2/290#supplementary |
| Correction published | 5 February 2013 00:00 CET | Correction | http://www.mdpi.com/2078-1547/4/1/17 |
| article html file updated | 24 January 2013 11:34 CET | Original file | - |