| article html file updated | 20 August 2026 06:15 CEST | Update | https://www.mdpi.com/2226-4310/8/9/236 |
| article html file updated | 6 September 2025 23:40 CEST | Update | N/A |
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| article html file updated | 26 August 2021 12:30 CEST | Original file | N/A |
| article pdf uploaded. | 26 August 2021 12:29 CEST | Version of Record | https://www.mdpi.com/2226-4310/8/9/236/pdf |
| article xml uploaded. | 26 August 2021 12:29 CEST | Update | https://www.mdpi.com/2226-4310/8/9/236/xml |
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