| article html file updated | 31 August 2025 06:30 CEST | Update | https://www.mdpi.com/2075-4418/9/4/222 |
| article html file updated | 19 July 2022 21:45 CEST | Update | - |
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| article html file updated | 30 December 2019 11:18 CET | Update | - |
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| article pdf uploaded. | 13 December 2019 12:06 CET | Version of Record | https://www.mdpi.com/2075-4418/9/4/222/pdf |
| article xml uploaded. | 13 December 2019 12:06 CET | Update | https://www.mdpi.com/2075-4418/9/4/222/xml |
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