| article html file updated | 30 April 2021 11:02 CEST | Update | https://www.mdpi.com/2079-9292/10/9/1054 |
| article pdf uploaded. | 30 April 2021 11:00 CEST | Updated version of record | https://www.mdpi.com/2079-9292/10/9/1054/pdf |
| article html file updated | 29 April 2021 14:40 CEST | Original file | - |
| article pdf uploaded. | 29 April 2021 14:39 CEST | Version of Record | https://www.mdpi.com/2079-9292/10/9/1054/pdf-vor |
| article xml uploaded. | 29 April 2021 14:39 CEST | Update | https://www.mdpi.com/2079-9292/10/9/1054/xml |
| article xml file uploaded | 29 April 2021 14:39 CEST | Original file | - |
