| article html file updated | 31 August 2025 10:40 CEST | Update | https://www.mdpi.com/2075-4442/8/2/15 |
| article html file updated | 20 July 2022 19:11 CEST | Update | - |
| article html file updated | 29 February 2020 08:09 CET | Original file | - |
| article pdf uploaded. | 29 February 2020 08:07 CET | Updated version of record | https://www.mdpi.com/2075-4442/8/2/15/pdf |
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| article pdf uploaded. | 4 February 2020 12:30 CET | Version of Record | https://www.mdpi.com/2075-4442/8/2/15/pdf-vor |
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