| article html file updated | 22 October 2021 12:12 CEST | Original file | https://www.mdpi.com/2075-1680/10/4/271 |
| article pdf uploaded. | 22 October 2021 12:11 CEST | Version of Record | https://www.mdpi.com/2075-1680/10/4/271/pdf |
| article xml uploaded. | 22 October 2021 12:11 CEST | Update | https://www.mdpi.com/2075-1680/10/4/271/xml |
| article xml file uploaded | 22 October 2021 12:11 CEST | Original file | N/A |
