| article html file updated | 5 February 2020 13:01 CET | Update | https://www.mdpi.com/1424-8247/2/3/118 |
| article html file updated | 9 May 2019 09:32 CEST | Update | - |
| article html file updated | 19 March 2019 20:46 CET | Update | - |
| article html file updated | 16 June 2015 07:31 CEST | Update | - |
| article html file updated | 28 April 2014 10:58 CEST | Update | - |
| article xml file uploaded | 28 April 2014 10:58 CEST | Update | https://www.mdpi.com/1424-8247/2/3/118/xml |
| article html file updated | 28 April 2014 10:58 CEST | Update | - |
| article xml file uploaded | 28 April 2014 10:58 CEST | Update | - |
| article xml file uploaded | 28 April 2014 10:58 CEST | Original file | - |
| article html file updated | 6 February 2013 16:04 CET | Update | - |
| article html file updated | 5 February 2013 20:12 CET | Update | - |
| article html file updated | 28 January 2013 17:50 CET | Update | - |
| article html file updated | 25 January 2013 20:19 CET | Update | - |
| article html file updated | 21 January 2013 18:11 CET | Update | - |
| article html file updated | 18 January 2013 00:28 CET | Original file | - |
| Correction published | 30 September 2011 00:00 CEST | Correction | http://www.mdpi.com/1424-8247/4/10/1293 |
