| article html file updated | 17 August 2026 00:04 CEST | Update | https://www.mdpi.com/1424-8220/20/2/499 |
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| article pdf uploaded. | 16 January 2020 08:23 CET | Version of Record | https://www.mdpi.com/1424-8220/20/2/499/pdf |
| article xml uploaded. | 16 January 2020 08:23 CET | Update | https://www.mdpi.com/1424-8220/20/2/499/xml |
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