| article html file updated | 16 June 2015 22:25 CEST | Update | https://www.mdpi.com/1424-8220/12/3/3528 |
| 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/1424-8220/12/3/3528/xml |
| article html file updated | 7 February 2013 11:05 CET | Update | - |
| article html file updated | 7 February 2013 01:10 CET | Update | - |
| article html file updated | 6 February 2013 06:34 CET | Update | - |
| article html file updated | 29 January 2013 02:13 CET | Update | - |
| article html file updated | 26 January 2013 08:49 CET | Update | - |
| article html file updated | 23 January 2013 12:40 CET | Original file | - |
