| article html file updated | 24 December 2025 18:39 CET | Update | https://www.mdpi.com/1422-0067/21/9/3209 |
| article html file updated | 31 August 2025 19:12 CEST | Update | N/A |
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| article xml uploaded. | 1 May 2020 15:42 CEST | Update | https://www.mdpi.com/1422-0067/21/9/3209/xml |
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