| article html file updated | 30 August 2025 06:59 CEST | Update | https://www.mdpi.com/1424-8220/18/9/3117 |
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| article pdf uploaded. | 18 September 2018 10:57 CEST | Updated version of record | https://www.mdpi.com/1424-8220/18/9/3117/pdf |
| article xml uploaded. | 18 September 2018 10:56 CEST | Update | https://www.mdpi.com/1424-8220/18/9/3117/xml |
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| article pdf uploaded. | 15 September 2018 12:31 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/9/3117/pdf-vor |
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