| article html file updated | 7 September 2025 06:47 CEST | Update | https://www.mdpi.com/2225-1154/9/12/171 |
| article html file updated | 30 July 2022 19:38 CEST | Update | - |
| article html file updated | 2 December 2021 04:05 CET | Update | - |
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| article pdf uploaded. | 2 December 2021 04:00 CET | Updated version of record | https://www.mdpi.com/2225-1154/9/12/171/pdf |
| article xml uploaded. | 2 December 2021 04:00 CET | Update | https://www.mdpi.com/2225-1154/9/12/171/xml |
| article xml file uploaded | 2 December 2021 04:00 CET | Update | - |
| article html file updated | 30 November 2021 10:30 CET | Update | - |
| article html file updated | 30 November 2021 10:29 CET | Original file | - |
| article pdf uploaded. | 30 November 2021 10:27 CET | Version of Record | https://www.mdpi.com/2225-1154/9/12/171/pdf-vor |
| article xml uploaded. | 30 November 2021 10:27 CET | Update | - |
| article xml file uploaded | 30 November 2021 10:27 CET | Original file | - |
