| article html file updated | 17 August 2026 14:16 CEST | Update | https://www.mdpi.com/2073-4409/9/6/1404 |
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| article pdf uploaded. | 15 June 2020 12:56 CEST | Updated version of record | https://www.mdpi.com/2073-4409/9/6/1404/pdf |
| article xml uploaded. | 15 June 2020 12:56 CEST | Update | https://www.mdpi.com/2073-4409/9/6/1404/xml |
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| article pdf uploaded. | 4 June 2020 17:29 CEST | Version of Record | https://www.mdpi.com/2073-4409/9/6/1404/pdf-vor |
