| article html file updated | 30 August 2025 11:01 CEST | Update | https://www.mdpi.com/2313-4321/4/1/7 |
| article html file updated | 20 July 2022 16:06 CEST | Update | N/A |
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| article html file updated | 16 January 2019 09:51 CET | Original file | N/A |
| article pdf uploaded. | 15 January 2019 06:53 CET | Version of Record | https://www.mdpi.com/2313-4321/4/1/7/pdf |
| article xml uploaded. | 15 January 2019 06:53 CET | Update | https://www.mdpi.com/2313-4321/4/1/7/xml |
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