| article html file updated | 31 August 2025 21:53 CEST | Update | https://www.mdpi.com/2226-4310/7/6/67 |
| article html file updated | 21 July 2022 06:17 CEST | Update | - |
| article html file updated | 9 October 2020 04:41 CEST | Update | - |
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| article pdf uploaded. | 3 June 2020 10:59 CEST | Updated version of record | https://www.mdpi.com/2226-4310/7/6/67/pdf |
| article xml uploaded. | 3 June 2020 10:59 CEST | Update | https://www.mdpi.com/2226-4310/7/6/67/xml |
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