| article html file updated | 21 August 2015 03:27 CEST | Update | https://www.mdpi.com/1424-8220/14/12/23119 |
| article html file updated | 20 January 2015 08:42 CET | Original file | - |
| article xml file uploaded | 20 January 2015 08:42 CET | Original file | https://www.mdpi.com/1424-8220/14/12/23119/xml |
| article pdf uploaded. | 19 December 2014 10:03 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/12/23119/pdf |
| article pdf uploaded. | 5 December 2014 10:40 CET | Version of Record | https://www.mdpi.com/1424-8220/14/12/23119/pdf-vor |
