| article html file updated | 26 December 2025 03:44 CET | Update | https://www.mdpi.com/1424-8220/21/20/6876 |
| article html file updated | 7 September 2025 03:01 CEST | Update | - |
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| article html file updated | 20 October 2021 05:25 CEST | Update | - |
| article pdf uploaded. | 20 October 2021 05:23 CEST | Updated version of record | https://www.mdpi.com/1424-8220/21/20/6876/pdf |
| article xml uploaded. | 20 October 2021 05:23 CEST | Update | https://www.mdpi.com/1424-8220/21/20/6876/xml |
| article xml file uploaded | 20 October 2021 05:23 CEST | Update | - |
| article html file updated | 20 October 2021 02:18 CEST | Original file | - |
| article pdf uploaded. | 20 October 2021 02:16 CEST | Updated version of record | https://www.mdpi.com/1424-8220/21/20/6876/pdf-vor |
| article xml uploaded. | 20 October 2021 02:16 CEST | Update | - |
| article xml file uploaded | 20 October 2021 02:16 CEST | Original file | - |
| article pdf uploaded. | 16 October 2021 15:33 CEST | Version of Record | https://www.mdpi.com/1424-8220/21/20/6876/pdf-vor |
