| article html file updated | 31 August 2025 10:08 CEST | Update | https://www.mdpi.com/1424-2818/12/2/52 |
| article html file updated | 20 July 2022 18:39 CEST | Update | - |
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| article pdf uploaded. | 1 March 2020 02:29 CET | Updated version of record | https://www.mdpi.com/1424-2818/12/2/52/pdf |
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| article pdf uploaded. | 28 January 2020 15:07 CET | Version of Record | https://www.mdpi.com/1424-2818/12/2/52/pdf-vor |
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