| article html file updated | 14 August 2026 06:52 CEST | Update | https://www.mdpi.com/1999-4907/6/9/3028 |
| article html file updated | 6 February 2020 22:19 CET | Update | N/A |
| article html file updated | 6 May 2019 12:22 CEST | Update | N/A |
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| article html file updated | 12 October 2015 11:48 CEST | Update | N/A |
| article xml file uploaded | 12 October 2015 11:48 CEST | Update | https://www.mdpi.com/1999-4907/6/9/3028/xml |
| article html file updated | 3 September 2015 07:44 CEST | Original file | N/A |
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| article pdf uploaded. | 31 August 2015 14:04 CEST | Version of Record | https://www.mdpi.com/1999-4907/6/9/3028/pdf |
