| article html file updated | 16 June 2015 18:41 CEST | Update | https://www.mdpi.com/2071-1050/3/9/1593 |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | https://www.mdpi.com/2071-1050/3/9/1593/xml |
| article html file updated | 6 February 2013 22:48 CET | Update | - |
| article html file updated | 6 February 2013 02:34 CET | Update | - |
| article html file updated | 28 January 2013 23:55 CET | Update | - |
| article html file updated | 26 January 2013 05:16 CET | Update | - |
| article html file updated | 22 January 2013 22:54 CET | Original file | - |
