| article html file updated | 24 December 2025 16:57 CET | Update | https://www.mdpi.com/1999-4907/11/1/56 |
| article html file updated | 31 August 2025 08:01 CEST | Update | - |
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| article html file updated | 2 January 2020 06:55 CET | Original file | - |
| article pdf uploaded. | 2 January 2020 06:54 CET | Version of Record | https://www.mdpi.com/1999-4907/11/1/56/pdf |
| article xml uploaded. | 2 January 2020 06:54 CET | Update | https://www.mdpi.com/1999-4907/11/1/56/xml |
| article xml file uploaded | 2 January 2020 06:54 CET | Original file | - |
