| article html file updated | 16 June 2015 20:26 CEST | Update | https://www.mdpi.com/1424-8220/11/12/11510 |
| 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/1424-8220/11/12/11510/xml |
| article html file updated | 6 February 2013 23:47 CET | Update | - |
| article html file updated | 6 February 2013 04:49 CET | Update | - |
| article html file updated | 29 January 2013 00:51 CET | Update | - |
| article html file updated | 26 January 2013 06:44 CET | Update | - |
| article html file updated | 23 January 2013 04:33 CET | Original file | - |
