| article html file updated | 22 January 2021 09:35 CET | Update | https://www.mdpi.com/2075-1729/11/2/73 |
| article xml uploaded. | 22 January 2021 09:33 CET | Update | https://www.mdpi.com/2075-1729/11/2/73/xml |
| article xml file uploaded | 22 January 2021 09:33 CET | Update | - |
| article html file updated | 20 January 2021 09:14 CET | Original file | - |
| article pdf uploaded. | 20 January 2021 09:13 CET | Version of Record | https://www.mdpi.com/2075-1729/11/2/73/pdf |
| article xml uploaded. | 20 January 2021 09:13 CET | Update | - |
| article xml file uploaded | 20 January 2021 09:13 CET | Original file | - |
