| article html file updated | 6 September 2025 23:12 CEST | Update | https://www.mdpi.com/2218-1997/7/8/306 |
| article html file updated | 28 July 2022 06:45 CEST | Update | - |
| article html file updated | 21 August 2021 10:01 CEST | Update | - |
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| article xml uploaded. | 20 August 2021 09:56 CEST | Update | https://www.mdpi.com/2218-1997/7/8/306/xml |
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| article pdf uploaded. | 19 August 2021 11:21 CEST | Version of Record | https://www.mdpi.com/2218-1997/7/8/306/pdf-vor |
