| article html file updated | 14 September 2018 10:15 CEST | Update | https://www.mdpi.com/1420-3049/19/10/15900 |
| article html file updated | 20 August 2015 22:03 CEST | Update | - |
| article html file updated | 31 October 2014 08:18 CET | Original file | - |
| article xml file uploaded | 31 October 2014 08:18 CET | Original file | https://www.mdpi.com/1420-3049/19/10/15900/xml |
| article pdf uploaded. | 1 October 2014 16:14 CEST | Updated version of record | https://www.mdpi.com/1420-3049/19/10/15900/pdf |
| article pdf uploaded. | 1 October 2014 15:45 CEST | Version of Record | - |
