| article html file updated | 31 August 2025 01:20 CEST | Update | https://www.mdpi.com/1424-8220/19/18/3940 |
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| article pdf uploaded. | 20 September 2019 04:48 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/18/3940/pdf |
| article xml uploaded. | 20 September 2019 04:48 CEST | Update | https://www.mdpi.com/1424-8220/19/18/3940/xml |
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| article pdf uploaded. | 12 September 2019 12:50 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/18/3940/pdf-vor |
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