| article html file updated | 16 June 2015 15:29 CEST | Update | https://www.mdpi.com/2072-6694/3/2/1957 |
| article html file updated | 4 September 2013 15:06 CEST | Update | - |
| article xml file uploaded | 4 September 2013 15:06 CEST | Update | https://www.mdpi.com/2072-6694/3/2/1957/xml |
| article html file updated | 30 August 2013 08:59 CEST | Update | - |
| article xml file uploaded | 30 August 2013 08:59 CEST | Update | - |
| article html file updated | 29 August 2013 08:58 CEST | Update | - |
| article xml file uploaded | 29 August 2013 08:58 CEST | Update | - |
| article html file updated | 27 August 2013 11:51 CEST | Update | - |
| article xml file uploaded | 27 August 2013 11:50 CEST | Original file | - |
| article html file updated | 6 February 2013 20:40 CET | Update | - |
| article html file updated | 6 February 2013 00:32 CET | Update | - |
| article html file updated | 28 January 2013 21:59 CET | Update | - |
| article html file updated | 26 January 2013 02:04 CET | Update | - |
| article html file updated | 22 January 2013 14:16 CET | Original file | - |
