| article html file updated | 13 August 2026 04:33 CEST | Update | https://www.mdpi.com/1999-4915/6/9/3643 |
| article html file updated | 29 August 2025 21:15 CEST | Update | N/A |
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| article html file updated | 8 October 2014 08:17 CEST | Original file | N/A |
| article xml file uploaded | 8 October 2014 08:17 CEST | Original file | https://www.mdpi.com/1999-4915/6/9/3643/xml |
| article pdf uploaded. | 26 September 2014 09:52 CEST | Updated version of record | https://www.mdpi.com/1999-4915/6/9/3643/pdf |
| article pdf uploaded. | 25 September 2014 10:36 CEST | Version of Record | https://www.mdpi.com/1999-4915/6/9/3643/pdf-vor |
