| article html file updated | 18 August 2026 07:06 CEST | Update | https://www.mdpi.com/2310-2861/6/4/38 |
| article html file updated | 1 September 2025 12:06 CEST | Update | N/A |
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| article html file updated | 28 October 2020 12:12 CET | Original file | N/A |
| article pdf uploaded. | 28 October 2020 12:11 CET | Version of Record | https://www.mdpi.com/2310-2861/6/4/38/pdf |
| article xml uploaded. | 28 October 2020 12:11 CET | Update | https://www.mdpi.com/2310-2861/6/4/38/xml |
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