| article html file updated | 17 August 2026 06:10 CEST | Update | https://www.mdpi.com/2073-431X/9/1/21 |
| article html file updated | 31 August 2025 14:44 CEST | Update | N/A |
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| article pdf uploaded. | 18 March 2020 10:28 CET | Version of Record | https://www.mdpi.com/2073-431X/9/1/21/pdf |
| article xml uploaded. | 18 March 2020 10:28 CET | Update | https://www.mdpi.com/2073-431X/9/1/21/xml |
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