| article html file updated | 12 September 2018 06:16 CEST | Update | https://www.mdpi.com/1420-3049/19/4/5231 |
| article html file updated | 20 August 2015 04:21 CEST | Update | N/A |
| article html file updated | 23 May 2014 15:05 CEST | Original file | N/A |
| article xml file uploaded | 23 May 2014 15:05 CEST | Original file | https://www.mdpi.com/1420-3049/19/4/5231/xml |
| article pdf uploaded. | 23 April 2014 13:54 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/4/5231/pdf |
