| article html file updated | 16 June 2015 13:45 CEST | Update | https://www.mdpi.com/1999-4907/2/1/86 |
| article html file updated | 14 August 2014 11:41 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 11:41 CEST | Update | https://www.mdpi.com/1999-4907/2/1/86/xml |
| article html file updated | 14 August 2014 11:21 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 11:21 CEST | Original file | N/A |
| article html file updated | 6 February 2013 19:36 CET | Update | N/A |
| article html file updated | 5 February 2013 23:30 CET | Update | N/A |
| article html file updated | 28 January 2013 21:01 CET | Update | N/A |
| article html file updated | 26 January 2013 00:42 CET | Update | N/A |
| article html file updated | 22 January 2013 09:04 CET | Original file | N/A |