| article html file updated | 30 August 2025 10:35 CEST | Update | https://www.mdpi.com/2571-9408/2/1/6 |
| article html file updated | 17 July 2022 20:51 CEST | Update | N/A |
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| article pdf uploaded. | 4 January 2019 08:39 CET | Version of Record | https://www.mdpi.com/2571-9408/2/1/6/pdf |
| article xml uploaded. | 4 January 2019 08:39 CET | Update | https://www.mdpi.com/2571-9408/2/1/6/xml |
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