| article html file updated | 19 August 2015 13:53 CEST | Update | https://www.mdpi.com/1424-8220/13/12/17346 |
| article html file updated | 14 January 2014 09:02 CET | Original file | - |
| article xml file uploaded | 14 January 2014 09:02 CET | Original file | https://www.mdpi.com/1424-8220/13/12/17346/xml |
| article pdf uploaded. | 18 December 2013 20:04 CET | Updated version of record | https://www.mdpi.com/1424-8220/13/12/17346/pdf |
| article pdf uploaded. | 16 December 2013 16:50 CET | Version of Record | https://www.mdpi.com/1424-8220/13/12/17346/pdf-vor |
