| article html file updated | 1 September 2025 16:49 CEST | Update | https://www.mdpi.com/1996-1073/14/1/39 |
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| article pdf uploaded. | 25 December 2020 10:38 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/1/39/pdf |
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| article pdf uploaded. | 23 December 2020 14:57 CET | Version of Record | https://www.mdpi.com/1996-1073/14/1/39/pdf-vor |