| article html file updated | 7 September 2021 08:36 CEST | Original file | https://www.mdpi.com/2673-9992/5/1/39 |
| article xml uploaded. | 7 September 2021 08:35 CEST | Original file | https://www.mdpi.com/2673-9992/5/1/39/xml |
| article pdf uploaded. | 7 September 2021 08:35 CEST | Updated version of record | https://www.mdpi.com/2673-9992/5/1/39/pdf |
| article pdf uploaded. | 22 July 2021 09:22 CEST | Version of Record | https://www.mdpi.com/2673-9992/5/1/39/pdf-vor |
