| article html file updated | 31 August 2025 16:24 CEST | Update | https://www.mdpi.com/2075-4442/8/4/40 |
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| article pdf uploaded. | 19 May 2020 08:31 CEST | Updated version of record | https://www.mdpi.com/2075-4442/8/4/40/pdf |
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| article pdf uploaded. | 3 April 2020 13:26 CEST | Version of Record | https://www.mdpi.com/2075-4442/8/4/40/pdf-vor |
| article xml file uploaded | 3 April 2020 13:26 CEST | Original file | - |