| article html file updated | 1 September 2025 02:58 CEST | Update | https://www.mdpi.com/1999-4923/12/7/669 |
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| article xml uploaded. | 20 July 2020 17:01 CEST | Update | https://www.mdpi.com/1999-4923/12/7/669/xml |
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| article pdf uploaded. | 16 July 2020 17:07 CEST | Version of Record | https://www.mdpi.com/1999-4923/12/7/669/pdf-vor |
