| article html file updated | 16 June 2015 10:30 CEST | Update | https://www.mdpi.com/1424-8220/10/7/6361 |
| article html file updated | 14 August 2014 12:05 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:05 CEST | Update | https://www.mdpi.com/1424-8220/10/7/6361/xml |
| article html file updated | 28 April 2014 11:11 CEST | Update | - |
| article xml file uploaded | 28 April 2014 11:11 CEST | Original file | - |
| article html file updated | 6 February 2013 17:58 CET | Update | - |
| article html file updated | 5 February 2013 22:04 CET | Update | - |
| article html file updated | 28 January 2013 19:36 CET | Update | - |
| article html file updated | 25 January 2013 22:46 CET | Update | - |
| article html file updated | 22 January 2013 01:36 CET | Update | - |
| article html file updated | 18 January 2013 07:45 CET | Original file | - |
