| article html file updated | 2 September 2025 00:25 CEST | Update | https://www.mdpi.com/1424-8220/21/6/2009 |
| article html file updated | 25 July 2022 07:22 CEST | Update | - |
| article html file updated | 15 March 2021 06:18 CET | Update | - |
| article pdf uploaded. | 15 March 2021 06:16 CET | Updated version of record | https://www.mdpi.com/1424-8220/21/6/2009/pdf |
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| article html file updated | 12 March 2021 13:36 CET | Original file | - |
| article pdf uploaded. | 12 March 2021 13:34 CET | Version of Record | https://www.mdpi.com/1424-8220/21/6/2009/pdf-vor |
| article xml file uploaded | 12 March 2021 13:34 CET | Original file | - |
