| article html file updated | 17 August 2026 12:17 CEST | Update | https://www.mdpi.com/2073-4468/9/2/15 |
| article html file updated | 31 August 2025 20:45 CEST | Update | N/A |
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| article pdf uploaded. | 18 May 2020 08:55 CEST | Updated version of record | https://www.mdpi.com/2073-4468/9/2/15/pdf |
| article xml uploaded. | 18 May 2020 08:55 CEST | Update | https://www.mdpi.com/2073-4468/9/2/15/xml |
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