| article html file updated | 16 June 2015 22:07 CEST | Update | https://www.mdpi.com/1424-8220/12/3/2851 |
| 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/1424-8220/12/3/2851/xml |
| article html file updated | 7 February 2013 10:52 CET | Update | - |
| article html file updated | 7 February 2013 00:58 CET | Update | - |
| article html file updated | 6 February 2013 06:22 CET | Update | - |
| article html file updated | 29 January 2013 02:01 CET | Update | - |
| article html file updated | 26 January 2013 08:33 CET | Update | - |
| article html file updated | 23 January 2013 11:34 CET | Original file | - |
