| article html file updated | 16 June 2015 04:35 CEST | Update | https://www.mdpi.com/1660-3397/6/2/73 |
| article html file updated | 5 March 2015 11:20 CET | Update | - |
| article xml file uploaded | 5 March 2015 11:20 CET | Original file | https://www.mdpi.com/1660-3397/6/2/73/xml |
| article html file updated | 6 February 2013 13:55 CET | Update | - |
| article html file updated | 5 February 2013 17:48 CET | Update | - |
| article html file updated | 28 January 2013 15:52 CET | Update | - |
| article html file updated | 25 January 2013 17:27 CET | Update | - |
| article html file updated | 21 January 2013 09:51 CET | Update | - |
| article html file updated | 18 January 2013 19:20 CET | Update | - |
| article html file updated | 17 January 2013 17:58 CET | Original file | - |
