| article html file updated | 12 November 2021 16:21 CET | Original file | https://www.mdpi.com/2571-9408/4/4/237 |
| article pdf uploaded. | 12 November 2021 16:20 CET | Version of Record | https://www.mdpi.com/2571-9408/4/4/237/pdf |
| article xml uploaded. | 12 November 2021 16:20 CET | Update | https://www.mdpi.com/2571-9408/4/4/237/xml |
| article xml file uploaded | 12 November 2021 16:20 CET | Original file | N/A |
