| article html file updated | 30 August 2025 20:14 CEST | Update | https://www.mdpi.com/2076-3387/9/2/39 |
| article html file updated | 19 July 2022 19:04 CEST | Update | - |
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| article html file updated | 24 May 2019 20:16 CEST | Original file | - |
| article pdf uploaded. | 24 May 2019 14:27 CEST | Version of Record | https://www.mdpi.com/2076-3387/9/2/39/pdf |
| article xml uploaded. | 24 May 2019 14:27 CEST | Update | https://www.mdpi.com/2076-3387/9/2/39/xml |
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