| article html file updated | 16 June 2015 16:14 CEST | Update | https://www.mdpi.com/1424-8247/4/5/770 |
| article html file updated | 13 June 2014 10:39 CEST | Update | N/A |
| article xml file uploaded | 13 June 2014 10:39 CEST | Original file | https://www.mdpi.com/1424-8247/4/5/770/xml |
| article html file updated | 6 February 2013 21:09 CET | Update | N/A |
| article html file updated | 6 February 2013 01:00 CET | Update | N/A |
| article html file updated | 28 January 2013 22:26 CET | Update | N/A |
| article html file updated | 26 January 2013 02:42 CET | Update | N/A |
| article html file updated | 22 January 2013 16:24 CET | Original file | N/A |
