| article html file updated | 31 August 2025 09:27 CEST | Update | https://www.mdpi.com/1424-8220/20/2/559 |
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| article pdf uploaded. | 20 January 2020 07:40 CET | Version of Record | https://www.mdpi.com/1424-8220/20/2/559/pdf |
| article xml uploaded. | 20 January 2020 07:40 CET | Update | https://www.mdpi.com/1424-8220/20/2/559/xml |
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