| article html file updated | 31 August 2025 13:58 CEST | Update | https://www.mdpi.com/1424-8220/20/5/1504 |
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| article html file updated | 18 March 2020 23:12 CET | Update | - |
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| article pdf uploaded. | 11 March 2020 10:19 CET | Updated version of record | https://www.mdpi.com/1424-8220/20/5/1504/pdf |
| article xml uploaded. | 11 March 2020 10:19 CET | Update | https://www.mdpi.com/1424-8220/20/5/1504/xml |
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| article pdf uploaded. | 9 March 2020 15:48 CET | Version of Record | https://www.mdpi.com/1424-8220/20/5/1504/pdf-vor |
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