| article html file updated | 1 September 2025 18:49 CEST | Update | https://www.mdpi.com/1999-5903/13/1/20 |
| article html file updated | 23 July 2022 17:34 CEST | Update | N/A |
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| article pdf uploaded. | 21 January 2021 06:51 CET | Updated version of record | https://www.mdpi.com/1999-5903/13/1/20/pdf |
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| article xml uploaded. | 21 January 2021 03:15 CET | Update | N/A |
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| article pdf uploaded. | 16 January 2021 08:22 CET | Version of Record | https://www.mdpi.com/1999-5903/13/1/20/pdf-vor |
