| article html file updated | 6 September 2025 23:56 CEST | Update | https://www.mdpi.com/2218-1997/7/9/320 |
| article html file updated | 30 July 2022 03:23 CEST | Update | - |
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| article xml uploaded. | 3 September 2021 16:22 CEST | Update | https://www.mdpi.com/2218-1997/7/9/320/xml |
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| article pdf uploaded. | 30 August 2021 11:57 CEST | Version of Record | https://www.mdpi.com/2218-1997/7/9/320/pdf-vor |
