| article html file updated | 5 November 2020 08:33 CET | Original file | https://www.mdpi.com/2071-1050/12/21/9181 |
| article pdf uploaded. | 5 November 2020 08:31 CET | Updated version of record | https://www.mdpi.com/2071-1050/12/21/9181/pdf |
| article xml uploaded. | 5 November 2020 08:31 CET | Update | https://www.mdpi.com/2071-1050/12/21/9181/xml |
| article xml file uploaded | 5 November 2020 08:31 CET | Original file | - |
| article pdf uploaded. | 4 November 2020 16:00 CET | Version of Record | https://www.mdpi.com/2071-1050/12/21/9181/pdf-vor |
