| article html file updated | 31 August 2025 06:54 CEST | Update | https://www.mdpi.com/2073-4409/9/1/9 |
| article html file updated | 19 July 2022 21:22 CEST | Update | N/A |
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| article html file updated | 24 December 2019 13:36 CET | Original file | N/A |
| article pdf uploaded. | 24 December 2019 13:35 CET | Updated version of record | https://www.mdpi.com/2073-4409/9/1/9/pdf |
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| article pdf uploaded. | 18 December 2019 15:54 CET | Version of Record | https://www.mdpi.com/2073-4409/9/1/9/pdf-vor |
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