| article html file updated | 17 February 2021 08:05 CET | Original file | https://www.mdpi.com/2071-1050/13/4/2123 |
| article pdf uploaded. | 17 February 2021 08:03 CET | Version of Record | https://www.mdpi.com/2071-1050/13/4/2123/pdf |
| article xml uploaded. | 17 February 2021 08:03 CET | Update | https://www.mdpi.com/2071-1050/13/4/2123/xml |
| article xml file uploaded | 17 February 2021 08:03 CET | Original file | N/A |
