| article html file updated | 15 August 2026 23:11 CEST | Update | https://www.mdpi.com/1424-8220/19/9/2068 |
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| article html file updated | 3 May 2019 10:28 CEST | Original file | N/A |
| article pdf uploaded. | 3 May 2019 10:27 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/9/2068/pdf |
| article xml uploaded. | 3 May 2019 10:27 CEST | Update | https://www.mdpi.com/1424-8220/19/9/2068/xml |
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