| article html file updated | 13 August 2026 06:41 CEST | Update | https://www.mdpi.com/1999-4907/5/11/2647 |
| article html file updated | 6 February 2020 13:33 CET | Update | N/A |
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| article html file updated | 28 November 2014 09:14 CET | Original file | N/A |
| article xml file uploaded | 28 November 2014 09:14 CET | Original file | https://www.mdpi.com/1999-4907/5/11/2647/xml |
| article pdf uploaded. | 19 November 2014 08:08 CET | Updated version of record | https://www.mdpi.com/1999-4907/5/11/2647/pdf |
| article pdf uploaded. | 12 November 2014 13:58 CET | Version of Record | https://www.mdpi.com/1999-4907/5/11/2647/pdf-vor |
