| article html file updated | 12 September 2018 06:10 CEST | Update | https://www.mdpi.com/1420-3049/19/4/4669 |
| article html file updated | 20 August 2015 03:19 CEST | Update | - |
| article html file updated | 23 May 2014 15:03 CEST | Original file | - |
| article xml file uploaded | 23 May 2014 15:03 CEST | Original file | https://www.mdpi.com/1420-3049/19/4/4669/xml |
| article pdf uploaded. | 15 April 2014 10:53 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/4/4669/pdf |
