| article html file updated | 31 August 2025 10:56 CEST | Update | https://www.mdpi.com/1999-5903/12/2/27 |
| article html file updated | 20 July 2022 19:28 CEST | Update | - |
| article html file updated | 28 February 2020 11:47 CET | Original file | - |
| article pdf uploaded. | 28 February 2020 11:45 CET | Updated version of record | https://www.mdpi.com/1999-5903/12/2/27/pdf |
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| article pdf uploaded. | 6 February 2020 14:51 CET | Version of Record | https://www.mdpi.com/1999-5903/12/2/27/pdf-vor |
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