| article html file updated | 26 January 2021 13:30 CET | Original file | https://www.mdpi.com/2624-8549/3/1/12 |
| article pdf uploaded. | 26 January 2021 13:29 CET | Version of Record | https://www.mdpi.com/2624-8549/3/1/12/pdf |
| article xml uploaded. | 26 January 2021 13:29 CET | Update | https://www.mdpi.com/2624-8549/3/1/12/xml |
| article xml file uploaded | 26 January 2021 13:29 CET | Original file | N/A |
