| article html file updated | 16 June 2015 11:47 CEST | Update | https://www.mdpi.com/1424-8220/10/9/8604 |
| article html file updated | 28 April 2014 11:22 CEST | Update | - |
| article xml file uploaded | 28 April 2014 11:22 CEST | Original file | https://www.mdpi.com/1424-8220/10/9/8604/xml |
| article html file updated | 6 February 2013 18:33 CET | Update | - |
| article html file updated | 5 February 2013 22:33 CET | Update | - |
| article html file updated | 28 January 2013 20:05 CET | Update | - |
| article html file updated | 25 January 2013 23:26 CET | Update | - |
| article html file updated | 22 January 2013 04:20 CET | Update | - |
| article html file updated | 18 January 2013 09:51 CET | Original file | - |
