| article html file updated | 14 September 2018 05:33 CEST | Update | https://www.mdpi.com/1420-3049/19/5/6504 |
| article html file updated | 20 August 2015 07:44 CEST | Update | - |
| article html file updated | 5 June 2014 08:54 CEST | Original file | - |
| article xml file uploaded | 5 June 2014 08:54 CEST | Original file | https://www.mdpi.com/1420-3049/19/5/6504/xml |
| article pdf uploaded. | 22 May 2014 15:45 CEST | Updated version of record | https://www.mdpi.com/1420-3049/19/5/6504/pdf |
| article pdf uploaded. | 21 May 2014 12:09 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/5/6504/pdf-vor |
