| article html file updated | 31 August 2025 10:13 CEST | Update | https://www.mdpi.com/1999-5903/12/2/24 |
| article html file updated | 20 July 2022 18:45 CEST | Update | - |
| article html file updated | 27 February 2020 12:23 CET | Original file | - |
| article pdf uploaded. | 27 February 2020 12:22 CET | Updated version of record | https://www.mdpi.com/1999-5903/12/2/24/pdf |
| article xml uploaded. | 27 February 2020 12:22 CET | Update | https://www.mdpi.com/1999-5903/12/2/24/xml |
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| article pdf uploaded. | 29 January 2020 15:56 CET | Version of Record | https://www.mdpi.com/1999-5903/12/2/24/pdf-vor |
| article xml file uploaded | 29 January 2020 15:56 CET | Original file | - |
