| article html file updated | 30 August 2025 07:37 CEST | Update | https://www.mdpi.com/1999-4907/9/10/620 |
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| article pdf uploaded. | 10 October 2018 05:57 CEST | Version of Record | https://www.mdpi.com/1999-4907/9/10/620/pdf |
| article xml uploaded. | 10 October 2018 05:57 CEST | Update | https://www.mdpi.com/1999-4907/9/10/620/xml |
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