| article html file updated | 17 June 2015 05:49 CEST | Update | https://www.mdpi.com/1424-8220/13/2/1614 |
| article html file updated | 30 October 2013 09:38 CET | Update | - |
| article xml file uploaded | 30 October 2013 09:37 CET | Update | https://www.mdpi.com/1424-8220/13/2/1614/xml |
| article html file updated | 23 April 2013 15:11 CEST | Update | - |
| article xml file uploaded | 23 April 2013 15:11 CEST | Update | - |
| article html file updated | 25 March 2013 12:05 CET | Original file | - |
| article xml file uploaded | 25 March 2013 12:04 CET | Original file | - |
| article pdf uploaded. | 25 January 2013 11:47 CET | Version of Record | https://www.mdpi.com/1424-8220/13/2/1614/pdf |
