| article html file updated | 30 August 2025 10:55 CEST | Update | https://www.mdpi.com/1424-8220/19/2/281 |
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| article xml uploaded. | 14 January 2019 14:26 CET | Update | https://www.mdpi.com/1424-8220/19/2/281/xml |
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| article pdf uploaded. | 14 January 2019 14:26 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/2/281/pdf |
| article html file updated | 11 January 2019 17:24 CET | Original file | N/A |
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