| article html file updated | 31 August 2025 08:07 CEST | Update | https://www.mdpi.com/2410-387X/4/1/2 |
| article html file updated | 19 July 2022 20:11 CEST | Update | N/A |
| article html file updated | 14 February 2020 23:52 CET | Update | N/A |
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| article pdf uploaded. | 3 January 2020 10:33 CET | Version of Record | https://www.mdpi.com/2410-387X/4/1/2/pdf |
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