| article html file updated | 1 September 2025 16:41 CEST | Update | https://www.mdpi.com/1424-8220/21/1/6 |
| article html file updated | 23 July 2022 06:30 CEST | Update | N/A |
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| article pdf uploaded. | 23 December 2020 06:49 CET | Updated version of record | https://www.mdpi.com/1424-8220/21/1/6/pdf |
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| article html file updated | 22 December 2020 13:29 CET | Original file | N/A |
| article pdf uploaded. | 22 December 2020 13:27 CET | Version of Record | https://www.mdpi.com/1424-8220/21/1/6/pdf-vor |
| article xml uploaded. | 22 December 2020 13:27 CET | Update | N/A |
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