| article html file updated | 21 August 2026 04:46 CEST | Update | https://www.mdpi.com/1996-1073/15/1/49 |
| article html file updated | 30 July 2022 23:50 CEST | Update | N/A |
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| article xml uploaded. | 23 December 2021 03:03 CET | Update | https://www.mdpi.com/1996-1073/15/1/49/xml |
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| article pdf uploaded. | 22 December 2021 12:38 CET | Version of Record | https://www.mdpi.com/1996-1073/15/1/49/pdf-vor |
