| article html file updated | 17 June 2015 06:05 CEST | Update | https://www.mdpi.com/1424-8220/13/2/1872 |
| article html file updated | 30 October 2013 09:44 CET | Update | N/A |
| article xml file uploaded | 30 October 2013 09:44 CET | Update | https://www.mdpi.com/1424-8220/13/2/1872/xml |
| article html file updated | 23 April 2013 15:15 CEST | Update | N/A |
| article xml file uploaded | 23 April 2013 15:15 CEST | Update | N/A |
| article html file updated | 25 March 2013 12:14 CET | Original file | N/A |
| article xml file uploaded | 25 March 2013 12:13 CET | Original file | N/A |
| article pdf uploaded. | 1 February 2013 10:00 CET | Version of Record | https://www.mdpi.com/1424-8220/13/2/1872/pdf |
