| article html file updated | 30 August 2025 14:03 CEST | Update | https://www.mdpi.com/2075-4701/9/4/449 |
| article html file updated | 19 July 2022 17:36 CEST | Update | - |
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| article pdf uploaded. | 17 April 2019 05:03 CEST | Updated version of record | https://www.mdpi.com/2075-4701/9/4/449/pdf |
| article xml uploaded. | 17 April 2019 05:03 CEST | Update | https://www.mdpi.com/2075-4701/9/4/449/xml |
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| article html file updated | 16 April 2019 14:34 CEST | Original file | - |
| article pdf uploaded. | 16 April 2019 14:32 CEST | Version of Record | https://www.mdpi.com/2075-4701/9/4/449/pdf-vor |
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