| article html file updated | 18 August 2026 04:04 CEST | Update | https://www.mdpi.com/2297-8739/7/4/52 |
| article html file updated | 1 September 2025 10:01 CEST | Update | N/A |
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| article pdf uploaded. | 2 October 2020 14:04 CEST | Updated version of record | https://www.mdpi.com/2297-8739/7/4/52/pdf |
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