| article html file updated | 5 February 2020 11:49 CET | Update | https://www.mdpi.com/1422-8599/2008/2/M571 |
| article html file updated | 18 September 2019 17:04 CEST | Update | - |
| article html file updated | 9 May 2019 12:37 CEST | Update | - |
| article html file updated | 19 March 2019 17:19 CET | Update | - |
| article html file updated | 22 September 2017 14:53 CEST | Update | - |
| article xml uploaded. | 22 September 2017 14:51 CEST | Update | https://www.mdpi.com/1422-8599/2008/2/M571/xml |
| article html file updated | 22 September 2017 14:48 CEST | Update | - |
| article xml uploaded. | 22 September 2017 14:47 CEST | Original file | - |
| article html file updated | 14 December 2016 11:13 CET | Original file | - |
| Correction published | 26 February 2009 00:00 CET | Correction | http://www.mdpi.com/1422-8599/2009/1/M593 |
