| article html file updated | 25 December 2025 13:17 CET | Update | https://www.mdpi.com/2305-6304/9/6/131 |
| article html file updated | 2 September 2025 09:52 CEST | Update | N/A |
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| article pdf uploaded. | 4 June 2021 08:47 CEST | Updated version of record | https://www.mdpi.com/2305-6304/9/6/131/pdf |
| article xml uploaded. | 4 June 2021 08:47 CEST | Update | https://www.mdpi.com/2305-6304/9/6/131/xml |
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