| article html file updated | 17 June 2015 07:05 CEST | Update | https://www.mdpi.com/1424-8220/13/3/2911 |
| article html file updated | 21 May 2013 09:35 CEST | Update | - |
| article xml file uploaded | 21 May 2013 09:35 CEST | Update | https://www.mdpi.com/1424-8220/13/3/2911/xml |
| article html file updated | 23 April 2013 13:57 CEST | Update | - |
| article xml file uploaded | 23 April 2013 13:57 CEST | Update | - |
| article html file updated | 23 April 2013 11:51 CEST | Original file | - |
| article xml file uploaded | 23 April 2013 11:51 CEST | Original file | - |
| article pdf uploaded. | 1 March 2013 15:11 CET | Version of Record | https://www.mdpi.com/1424-8220/13/3/2911/pdf |
