| article html file updated | 1 September 2025 13:24 CEST | Update | https://www.mdpi.com/2218-2004/8/4/81 |
| article html file updated | 23 July 2022 00:58 CEST | Update | N/A |
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| article pdf uploaded. | 16 November 2020 06:38 CET | Updated version of record | https://www.mdpi.com/2218-2004/8/4/81/pdf |
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| article pdf uploaded. | 13 November 2020 13:35 CET | Version of Record | https://www.mdpi.com/2218-2004/8/4/81/pdf-vor |
