| article html file updated | 12 September 2018 08:21 CEST | Update | https://www.mdpi.com/1420-3049/19/6/8679 |
| article html file updated | 20 August 2015 10:48 CEST | Update | - |
| article html file updated | 3 July 2014 08:58 CEST | Original file | - |
| article xml file uploaded | 3 July 2014 08:58 CEST | Original file | https://www.mdpi.com/1420-3049/19/6/8679/xml |
| article pdf uploaded. | 24 June 2014 11:04 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/6/8679/pdf |
