| article html file updated | 17 June 2015 01:52 CEST | Update | https://www.mdpi.com/1424-8220/12/9/11684 |
| 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/1424-8220/12/9/11684/xml |
| article html file updated | 7 February 2013 14:34 CET | Update | - |
| article html file updated | 7 February 2013 05:36 CET | Update | - |
| article html file updated | 6 February 2013 09:53 CET | Update | - |
| article html file updated | 29 January 2013 06:10 CET | Update | - |
| article html file updated | 27 January 2013 04:45 CET | Update | - |
| article html file updated | 24 January 2013 00:39 CET | Original file | - |
