| article html file updated | 12 March 2021 10:08 CET | Update | https://www.mdpi.com/1424-8220/21/6/1946 |
| article html file updated | 11 March 2021 11:48 CET | Original file | - |
| article pdf uploaded. | 11 March 2021 11:47 CET | Updated version of record | https://www.mdpi.com/1424-8220/21/6/1946/pdf |
| article xml uploaded. | 11 March 2021 11:47 CET | Update | https://www.mdpi.com/1424-8220/21/6/1946/xml |
| article xml file uploaded | 11 March 2021 11:47 CET | Original file | - |
| article pdf uploaded. | 10 March 2021 17:00 CET | Version of Record | https://www.mdpi.com/1424-8220/21/6/1946/pdf-vor |
