| article html file updated | 22 January 2021 16:56 CET | Original file | https://www.mdpi.com/2227-7080/9/1/11 |
| article pdf uploaded. | 22 January 2021 16:54 CET | Version of Record | https://www.mdpi.com/2227-7080/9/1/11/pdf |
| article xml uploaded. | 22 January 2021 16:54 CET | Update | https://www.mdpi.com/2227-7080/9/1/11/xml |
| article xml file uploaded | 22 January 2021 16:54 CET | Original file | - |
