| article html file updated | 16 August 2026 22:55 CEST | Update | https://www.mdpi.com/1999-4915/12/1/56 |
| article html file updated | 31 August 2025 08:06 CEST | Update | N/A |
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| article html file updated | 3 January 2020 06:33 CET | Original file | N/A |
| article pdf uploaded. | 3 January 2020 06:32 CET | Version of Record | https://www.mdpi.com/1999-4915/12/1/56/pdf |
| article xml uploaded. | 3 January 2020 06:32 CET | Update | https://www.mdpi.com/1999-4915/12/1/56/xml |
| article xml file uploaded | 3 January 2020 06:32 CET | Original file | N/A |
