| article html file updated | 18 August 2026 16:24 CEST | Update | https://www.mdpi.com/2409-9279/4/1/6 |
| article html file updated | 1 September 2025 17:45 CEST | Update | N/A |
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| article pdf uploaded. | 5 January 2021 09:01 CET | Version of Record | https://www.mdpi.com/2409-9279/4/1/6/pdf |
| article xml uploaded. | 5 January 2021 09:01 CET | Update | https://www.mdpi.com/2409-9279/4/1/6/xml |
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