| article html file updated | 16 June 2015 14:41 CEST | Update | https://www.mdpi.com/1424-8220/11/3/2961 |
| article html file updated | 14 August 2014 12:05 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:05 CEST | Original file | https://www.mdpi.com/1424-8220/11/3/2961/xml |
| article html file updated | 6 February 2013 20:13 CET | Update | - |
| article html file updated | 6 February 2013 00:04 CET | Update | - |
| article html file updated | 28 January 2013 21:33 CET | Update | - |
| article html file updated | 26 January 2013 01:28 CET | Update | - |
| article html file updated | 22 January 2013 12:00 CET | Original file | - |
