| article html file updated | 7 January 2021 06:18 CET | Update | https://www.mdpi.com/2504-4494/5/1/4 |
| article pdf uploaded. | 7 January 2021 06:16 CET | Updated version of record | https://www.mdpi.com/2504-4494/5/1/4/pdf |
| article xml uploaded. | 7 January 2021 06:16 CET | Update | https://www.mdpi.com/2504-4494/5/1/4/xml |
| article xml file uploaded | 7 January 2021 06:16 CET | Update | - |
| article html file updated | 5 January 2021 07:08 CET | Original file | - |
| article pdf uploaded. | 5 January 2021 07:07 CET | Version of Record | https://www.mdpi.com/2504-4494/5/1/4/pdf-vor |
| article xml file uploaded | 5 January 2021 07:07 CET | Original file | - |
