| article html file updated | 16 June 2015 19:23 CEST | Update | https://www.mdpi.com/2072-6694/3/4/3921 |
| article html file updated | 5 September 2013 12:05 CEST | Update | N/A |
| article xml file uploaded | 5 September 2013 12:05 CEST | Update | https://www.mdpi.com/2072-6694/3/4/3921/xml |
| article html file updated | 4 September 2013 15:16 CEST | Update | N/A |
| article xml file uploaded | 4 September 2013 15:16 CEST | Update | N/A |
| article html file updated | 28 August 2013 10:29 CEST | Update | N/A |
| article xml file uploaded | 28 August 2013 10:29 CEST | Original file | N/A |
| article html file updated | 6 February 2013 23:09 CET | Update | N/A |
| article html file updated | 6 February 2013 02:56 CET | Update | N/A |
| article html file updated | 29 January 2013 00:15 CET | Update | N/A |
| article html file updated | 26 January 2013 05:44 CET | Update | N/A |
| article html file updated | 23 January 2013 00:32 CET | Original file | N/A |
