| article html file updated | 30 August 2025 10:38 CEST | Update | https://www.mdpi.com/1424-2818/11/1/6 |
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| article supplementary file uploaded. | 5 January 2019 10:45 CET | - | https://www.mdpi.com/1424-2818/11/1/6#supplementary |
| article pdf uploaded. | 5 January 2019 10:45 CET | Version of Record | https://www.mdpi.com/1424-2818/11/1/6/pdf |
| article xml uploaded. | 5 January 2019 10:45 CET | Update | https://www.mdpi.com/1424-2818/11/1/6/xml |
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