| article html file updated | 19 August 2015 19:33 CEST | Update | https://www.mdpi.com/1424-8220/14/2/2449 |
| article html file updated | 14 March 2014 10:54 CET | Original file | N/A |
| article xml file uploaded | 14 March 2014 10:53 CET | Original file | https://www.mdpi.com/1424-8220/14/2/2449/xml |
| article pdf uploaded. | 3 February 2014 11:18 CET | Version of Record | https://www.mdpi.com/1424-8220/14/2/2449/pdf |
