| article html file updated | 19 August 2015 19:45 CEST | Update | https://www.mdpi.com/1424-8220/14/2/2619 |
| article html file updated | 14 March 2014 10:55 CET | Original file | - |
| article xml file uploaded | 14 March 2014 10:55 CET | Original file | https://www.mdpi.com/1424-8220/14/2/2619/xml |
| article pdf uploaded. | 7 February 2014 11:22 CET | Version of Record | https://www.mdpi.com/1424-8220/14/2/2619/pdf |
