| article html file updated | 12 September 2018 08:09 CEST | Update | https://www.mdpi.com/1420-3049/19/6/8039 |
| article html file updated | 20 August 2015 09:56 CEST | Update | - |
| article html file updated | 1 July 2014 05:30 CEST | Original file | - |
| article xml file uploaded | 1 July 2014 05:30 CEST | Original file | https://www.mdpi.com/1420-3049/19/6/8039/xml |
| article pdf uploaded. | 17 June 2014 11:10 CEST | Updated version of record | https://www.mdpi.com/1420-3049/19/6/8039/pdf |
| article pdf uploaded. | 16 June 2014 10:22 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/6/8039/pdf-vor |
