| article html file updated | 30 August 2025 07:44 CEST | Update | https://www.mdpi.com/2412-382X/2/4/21 |
| article html file updated | 17 July 2022 04:46 CEST | Update | N/A |
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| article html file updated | 12 October 2018 12:15 CEST | Original file | N/A |
| article pdf uploaded. | 12 October 2018 12:15 CEST | Version of Record | https://www.mdpi.com/2412-382X/2/4/21/pdf |
| article xml uploaded. | 12 October 2018 12:15 CEST | Update | https://www.mdpi.com/2412-382X/2/4/21/xml |
| article xml file uploaded | 12 October 2018 12:15 CEST | Original file | N/A |
