| article html file updated | 17 June 2015 06:03 CEST | Update | https://www.mdpi.com/1424-8220/13/2/1787 |
| article html file updated | 30 October 2013 09:43 CET | Update | - |
| article xml file uploaded | 30 October 2013 09:42 CET | Update | https://www.mdpi.com/1424-8220/13/2/1787/xml |
| article html file updated | 23 April 2013 15:14 CEST | Update | - |
| article xml file uploaded | 23 April 2013 15:14 CEST | Update | - |
| article html file updated | 25 March 2013 12:12 CET | Original file | - |
| article xml file uploaded | 25 March 2013 12:11 CET | Original file | - |
| article pdf uploaded. | 31 January 2013 11:27 CET | Version of Record | https://www.mdpi.com/1424-8220/13/2/1787/pdf |
