| article html file updated | 9 September 2021 10:25 CEST | Original file | https://www.mdpi.com/1424-8220/21/18/6012 |
| article pdf uploaded. | 9 September 2021 10:23 CEST | Updated version of record | https://www.mdpi.com/1424-8220/21/18/6012/pdf |
| article xml uploaded. | 9 September 2021 10:23 CEST | Update | https://www.mdpi.com/1424-8220/21/18/6012/xml |
| article xml file uploaded | 9 September 2021 10:23 CEST | Original file | - |
| article pdf uploaded. | 8 September 2021 13:13 CEST | Version of Record | https://www.mdpi.com/1424-8220/21/18/6012/pdf-vor |
