| article html file updated | 29 August 2025 21:16 CEST | Update | https://www.mdpi.com/2071-1050/6/10/6998 |
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| article xml file uploaded | 22 October 2014 11:23 CEST | Update | https://www.mdpi.com/2071-1050/6/10/6998/xml |
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| article pdf uploaded. | 10 October 2014 09:38 CEST | Updated version of record | https://www.mdpi.com/2071-1050/6/10/6998/pdf |
| article pdf uploaded. | 9 October 2014 14:18 CEST | Version of Record | https://www.mdpi.com/2071-1050/6/10/6998/pdf-vor |
