| article html file updated | 19 August 2015 10:56 CEST | Update | https://www.mdpi.com/1424-8220/13/12/16023 |
| article html file updated | 14 January 2014 08:53 CET | Original file | - |
| article xml file uploaded | 14 January 2014 08:53 CET | Original file | https://www.mdpi.com/1424-8220/13/12/16023/xml |
| article pdf uploaded. | 19 December 2013 09:41 CET | Updated version of record | https://www.mdpi.com/1424-8220/13/12/16023/pdf |
| article pdf uploaded. | 27 November 2013 17:47 CET | Updated version of record | https://www.mdpi.com/1424-8220/13/12/16023/pdf-vor |
| article pdf uploaded. | 26 November 2013 11:03 CET | Version of Record | https://www.mdpi.com/1424-8220/13/12/16023/pdf-vor |
