| article html file updated | 31 August 2025 10:25 CEST | Update | https://www.mdpi.com/2075-4434/8/1/9 |
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| article html file updated | 1 April 2020 22:24 CEST | Update | - |
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| article pdf uploaded. | 18 March 2020 05:25 CET | Updated version of record | https://www.mdpi.com/2075-4434/8/1/9/pdf |
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| article pdf uploaded. | 1 February 2020 09:49 CET | Version of Record | https://www.mdpi.com/2075-4434/8/1/9/pdf-vor |
| article xml file uploaded | 1 February 2020 09:49 CET | Original file | - |
