| article html file updated | 19 August 2026 18:46 CEST | Update | https://www.mdpi.com/2075-4434/9/2/44 |
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| article html file updated | 22 June 2021 15:28 CEST | Update | N/A |
| article pdf uploaded. | 22 June 2021 15:27 CEST | Updated version of record | https://www.mdpi.com/2075-4434/9/2/44/pdf |
| article xml uploaded. | 22 June 2021 15:27 CEST | Update | https://www.mdpi.com/2075-4434/9/2/44/xml |
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| article pdf uploaded. | 21 June 2021 11:30 CEST | Updated version of record | https://www.mdpi.com/2075-4434/9/2/44/pdf-vor |
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