| article html file updated | 19 August 2015 11:50 CEST | Update | https://www.mdpi.com/1424-8220/13/12/16451 |
| article html file updated | 14 January 2014 08:56 CET | Original file | N/A |
| article xml file uploaded | 14 January 2014 08:56 CET | Original file | https://www.mdpi.com/1424-8220/13/12/16451/xml |
| article pdf uploaded. | 5 December 2013 15:40 CET | Updated version of record | https://www.mdpi.com/1424-8220/13/12/16451/pdf |
| article pdf uploaded. | 2 December 2013 10:47 CET | Version of Record | https://www.mdpi.com/1424-8220/13/12/16451/pdf-vor |
