| article html file updated | 31 August 2025 16:10 CEST | Update | https://www.mdpi.com/2311-5629/6/2/20 |
| article html file updated | 21 July 2022 00:39 CEST | Update | - |
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| article pdf uploaded. | 2 April 2020 12:39 CEST | Updated version of record | https://www.mdpi.com/2311-5629/6/2/20/pdf |
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| article pdf uploaded. | 1 April 2020 15:27 CEST | Version of Record | https://www.mdpi.com/2311-5629/6/2/20/pdf-vor |
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