| article html file updated | 31 August 2025 11:39 CEST | Update | https://www.mdpi.com/2571-8800/3/1/6 |
| article html file updated | 20 July 2022 20:10 CEST | Update | - |
| article html file updated | 18 November 2020 01:13 CET | Update | - |
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| article pdf uploaded. | 14 February 2020 11:39 CET | Version of Record | https://www.mdpi.com/2571-8800/3/1/6/pdf |
| article xml uploaded. | 14 February 2020 11:39 CET | Update | https://www.mdpi.com/2571-8800/3/1/6/xml |
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