| article html file updated | 17 June 2015 06:47 CEST | Update | https://www.mdpi.com/1424-8220/13/2/2682 |
| article html file updated | 30 October 2013 10:02 CET | Update | - |
| article xml file uploaded | 30 October 2013 10:01 CET | Update | https://www.mdpi.com/1424-8220/13/2/2682/xml |
| article html file updated | 23 April 2013 15:31 CEST | Update | - |
| article xml file uploaded | 23 April 2013 15:30 CEST | Update | - |
| article html file updated | 25 March 2013 12:51 CET | Original file | - |
| article xml file uploaded | 25 March 2013 12:50 CET | Original file | - |
| article pdf uploaded. | 22 February 2013 11:30 CET | Version of Record | https://www.mdpi.com/1424-8220/13/2/2682/pdf |
