| article html file updated | 22 January 2021 08:26 CET | Update | https://www.mdpi.com/2075-1702/9/1/21 |
| article xml uploaded. | 22 January 2021 08:24 CET | Update | https://www.mdpi.com/2075-1702/9/1/21/xml |
| article xml file uploaded | 22 January 2021 08:24 CET | Update | - |
| article html file updated | 20 January 2021 17:20 CET | Update | - |
| article pdf uploaded. | 20 January 2021 17:19 CET | Updated version of record | https://www.mdpi.com/2075-1702/9/1/21/pdf |
| article xml uploaded. | 20 January 2021 17:19 CET | Update | - |
| article xml file uploaded | 20 January 2021 17:19 CET | Update | - |
| article html file updated | 19 January 2021 13:35 CET | Original file | - |
| article pdf uploaded. | 19 January 2021 13:34 CET | Version of Record | https://www.mdpi.com/2075-1702/9/1/21/pdf-vor |
| article xml uploaded. | 19 January 2021 13:34 CET | Update | - |
| article xml file uploaded | 19 January 2021 13:34 CET | Original file | - |
