| article html file updated | 31 August 2025 10:25 CEST | Update | https://www.mdpi.com/2227-7390/8/2/172 |
| article html file updated | 20 July 2022 18:56 CEST | Update | - |
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| article pdf uploaded. | 1 February 2020 10:44 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/172/pdf |
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