| article html file updated | 16 June 2015 14:53 CEST | Update | https://www.mdpi.com/2072-6694/3/1/1405 |
| article html file updated | 4 September 2013 15:04 CEST | Update | - |
| article xml file uploaded | 4 September 2013 15:04 CEST | Update | https://www.mdpi.com/2072-6694/3/1/1405/xml |
| article html file updated | 29 August 2013 10:41 CEST | Update | - |
| article xml file uploaded | 29 August 2013 10:41 CEST | Update | - |
| article html file updated | 29 August 2013 08:54 CEST | Update | - |
| article xml file uploaded | 29 August 2013 08:54 CEST | Update | - |
| article html file updated | 27 August 2013 11:52 CEST | Update | - |
| article xml file uploaded | 27 August 2013 11:52 CEST | Original file | - |
| article html file updated | 6 February 2013 20:20 CET | Update | - |
| article html file updated | 6 February 2013 00:11 CET | Update | - |
| article html file updated | 28 January 2013 21:40 CET | Update | - |
| article html file updated | 26 January 2013 01:37 CET | Update | - |
| article html file updated | 22 January 2013 12:33 CET | Original file | - |
