| article html file updated | 31 August 2025 21:58 CEST | Update | https://www.mdpi.com/2226-4310/7/6/68 |
| article html file updated | 21 July 2022 06:22 CEST | Update | - |
| article html file updated | 29 May 2020 12:18 CEST | Original file | - |
| article pdf uploaded. | 29 May 2020 12:16 CEST | Version of Record | https://www.mdpi.com/2226-4310/7/6/68/pdf |
| article xml uploaded. | 29 May 2020 12:16 CEST | Update | https://www.mdpi.com/2226-4310/7/6/68/xml |
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