| article html file updated | 18 August 2026 12:22 CEST | Update | https://www.mdpi.com/1424-8220/20/23/6971 |
| article html file updated | 25 December 2025 00:14 CET | Update | N/A |
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| article pdf uploaded. | 8 December 2020 04:38 CET | Updated version of record | https://www.mdpi.com/1424-8220/20/23/6971/pdf |
| article xml uploaded. | 8 December 2020 04:38 CET | Update | https://www.mdpi.com/1424-8220/20/23/6971/xml |
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| article pdf uploaded. | 6 December 2020 11:25 CET | Version of Record | https://www.mdpi.com/1424-8220/20/23/6971/pdf-vor |
