| article html file updated | 1 September 2025 09:30 CEST | Update | https://www.mdpi.com/2227-9040/8/4/90 |
| article html file updated | 22 July 2022 08:43 CEST | Update | N/A |
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| article html file updated | 28 September 2020 04:31 CEST | Update | N/A |
| article pdf uploaded. | 28 September 2020 04:30 CEST | Updated version of record | https://www.mdpi.com/2227-9040/8/4/90/pdf-vor |
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| article html file updated | 27 September 2020 12:24 CEST | Original file | N/A |
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