| article html file updated | 7 September 2025 06:50 CEST | Update | https://www.mdpi.com/2218-2004/9/4/104 |
| article html file updated | 30 July 2022 19:42 CEST | Update | - |
| article html file updated | 6 December 2021 09:59 CET | Update | - |
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| article pdf uploaded. | 6 December 2021 07:22 CET | Updated version of record | https://www.mdpi.com/2218-2004/9/4/104/pdf |
| article xml uploaded. | 6 December 2021 07:22 CET | Update | https://www.mdpi.com/2218-2004/9/4/104/xml |
| article xml file uploaded | 6 December 2021 07:22 CET | Original file | - |
| article pdf uploaded. | 30 November 2021 12:22 CET | Version of Record | https://www.mdpi.com/2218-2004/9/4/104/pdf-vor |
