| article html file updated | 31 August 2025 17:10 CEST | Update | https://www.mdpi.com/2304-6775/8/2/21 |
| article html file updated | 21 July 2022 01:39 CEST | Update | - |
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| article pdf uploaded. | 21 April 2020 07:13 CEST | Updated version of record | https://www.mdpi.com/2304-6775/8/2/21/pdf |
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| article pdf uploaded. | 11 April 2020 16:38 CEST | Version of Record | https://www.mdpi.com/2304-6775/8/2/21/pdf-vor |
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