| article html file updated | 12 October 2021 12:18 CEST | Original file | https://www.mdpi.com/2673-4591/7/1/21 |
| article pdf uploaded. | 12 October 2021 12:17 CEST | Version of Record | https://www.mdpi.com/2673-4591/7/1/21/pdf |
| article xml uploaded. | 12 October 2021 12:17 CEST | Update | https://www.mdpi.com/2673-4591/7/1/21/xml |
| article xml file uploaded | 12 October 2021 12:17 CEST | Original file | N/A |
