| article html file updated | 30 July 2022 21:09 CEST | Update | https://www.mdpi.com/2227-7072/9/4/69 |
| article html file updated | 8 December 2021 12:59 CET | Original file | - |
| article pdf uploaded. | 8 December 2021 12:57 CET | Version of Record | https://www.mdpi.com/2227-7072/9/4/69/pdf |
| article xml uploaded. | 8 December 2021 12:57 CET | Update | https://www.mdpi.com/2227-7072/9/4/69/xml |
| article xml file uploaded | 8 December 2021 12:57 CET | Original file | - |
