| article html file updated | 17 June 2015 07:33 CEST | Update | https://www.mdpi.com/1424-8220/13/3/3568 |
| article html file updated | 21 May 2013 09:37 CEST | Update | - |
| article xml file uploaded | 21 May 2013 09:37 CEST | Update | https://www.mdpi.com/1424-8220/13/3/3568/xml |
| article html file updated | 23 April 2013 14:06 CEST | Update | - |
| article xml file uploaded | 23 April 2013 14:06 CEST | Update | - |
| article html file updated | 23 April 2013 12:02 CEST | Original file | - |
| article xml file uploaded | 23 April 2013 12:02 CEST | Original file | - |
| article pdf uploaded. | 14 March 2013 10:59 CET | Version of Record | https://www.mdpi.com/1424-8220/13/3/3568/pdf |
