| article html file updated | 30 August 2025 23:20 CEST | Update | https://www.mdpi.com/2075-4426/9/3/39 |
| article html file updated | 20 July 2022 05:59 CEST | Update | - |
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| article pdf uploaded. | 1 August 2019 11:17 CEST | Version of Record | https://www.mdpi.com/2075-4426/9/3/39/pdf |
| article xml uploaded. | 1 August 2019 11:17 CEST | Update | https://www.mdpi.com/2075-4426/9/3/39/xml |
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