| article html file updated | 12 September 2018 12:12 CEST | Update | https://www.mdpi.com/1420-3049/19/9/15324 |
| article html file updated | 20 August 2015 20:41 CEST | Update | N/A |
| article html file updated | 9 October 2014 07:38 CEST | Original file | N/A |
| article xml file uploaded | 9 October 2014 07:38 CEST | Original file | https://www.mdpi.com/1420-3049/19/9/15324/xml |
| article pdf uploaded. | 24 September 2014 08:56 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/9/15324/pdf |
