| article html file updated | 25 December 2025 23:44 CET | Update | https://www.mdpi.com/1999-4907/12/9/1238 |
| article html file updated | 7 September 2025 00:48 CEST | Update | N/A |
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| article html file updated | 14 September 2021 08:59 CEST | Original file | N/A |
| article pdf uploaded. | 14 September 2021 08:57 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/9/1238/pdf |
| article xml uploaded. | 14 September 2021 08:57 CEST | Update | https://www.mdpi.com/1999-4907/12/9/1238/xml |
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| article pdf uploaded. | 13 September 2021 14:15 CEST | Version of Record | https://www.mdpi.com/1999-4907/12/9/1238/pdf-vor |
