| article html file updated | 1 September 2025 18:38 CEST | Update | https://www.mdpi.com/2227-7072/9/1/7 |
| article html file updated | 23 July 2022 16:08 CEST | Update | N/A |
| article html file updated | 14 January 2021 12:21 CET | Original file | N/A |
| article pdf uploaded. | 14 January 2021 12:20 CET | Version of Record | https://www.mdpi.com/2227-7072/9/1/7/pdf |
| article xml uploaded. | 14 January 2021 12:20 CET | Update | https://www.mdpi.com/2227-7072/9/1/7/xml |
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